15 mai 2025

Swiss-grown pulses: crops, local varieties and cooking guide

Switzerland grows lentils, chickpeas, dry peas, fava beans, lupins, soybeans and common beans, but only a modest share reaches people as food. There is also a difference between a crop grown in Switzerland and a genuinely Swiss variety. Lentils sold by a farm in Valais are not necessarily a variety called “Valais lentils”, and labels such as “Alemannic peas”, “St Gallen beans” or “Bernese fava beans” do not identify recognised cultivars or protected names.

This guide uses the names that can be verified. It covers crops documented by Swiss agricultural sources, several heritage bean varieties conserved by ProSpecieRara, nutrition figures for cooked food and reliable preparation methods. One safety rule matters more than all the folklore: dried red kidney beans need a proper boil. A slow cooker on its own may not destroy their lectin.

The short version

Swiss agricultural statistics include protein peas, fava beans, lupins, lentils, beans and vetches among grain legumes. Soy is botanically a legume, though statistics often classify it as an oilseed.
In 2024, protein peas, fava beans, soy, lupins and lentils covered 4,769 hectares in Switzerland, according to Grangeneuve. Only about one third of that area produced food for direct human consumption.
Lentils and chickpeas can grow in Switzerland, but weed pressure, uneven ripening and difficult harvesting make them niche crops rather than guaranteed cantonal specialities.
The cooked pulses compared from USDA data provide roughly 7.6 to 9.7 g protein and 5.4 to 8.3 g fibre per 100 g.
You do not have to combine beans and grains in every meal. A varied vegetarian diet over the day normally provides a suitable mixture of amino acids.
People with G6PD deficiency should avoid fava beans, including products made with fava bean protein, in line with medical advice.

Legume, vegetable or pulse?

A legume is a plant in the Fabaceae family. It produces a pod containing seeds. Sometimes the whole pod is eaten, as with green beans and mangetout. Sometimes the fresh seed is eaten, as with garden peas. A pulse is the mature, dried seed: lentils, split peas, dried beans, chickpeas and dried fava beans.

That distinction changes the cooking method. A green bean is handled as a fresh vegetable. A dried white bean must be rehydrated and thoroughly cooked. Fresh spring fava beans need far less time than dried field beans. Agricultural sources also use terms such as “grain legume” and “protein crop” for plants harvested mainly for their protein-rich seed.

Many legumes form a symbiotic relationship with rhizobium bacteria on their roots. Nodules allow the plant to use nitrogen from the air. This can reduce the crop’s need for nitrogen fertiliser and make it useful in a rotation. It does not mean that every legume automatically enriches every soil. Species, bacterial strain, growing conditions, harvest and the treatment of crop residues all affect the final nitrogen balance.

What is actually grown in Switzerland

Assigning one pulse to each canton makes a neat story, but Swiss farming is less tidy. Farms grow several species across different regions. Soil, altitude, weather, market contracts and access to equipment for harvesting, drying and sorting matter more than a cantonal border.

Lentils

Agroscope describes lentils as a niche crop whose Swiss area has increased but still cannot meet demand. The plant tolerates dry conditions, yet it grows slowly at first, competes poorly with weeds and stays close to the ground. A combine must cut low, which risks picking up stones and soil. Pods on the same plant do not all mature together, so harvest timing is difficult. Drying and sorting are essential to produce a marketable batch.

The PROMISE project, which ran from 2020 to 2024 with Agroscope and FiBL, examined mixed crops including lentil-pea and lentil-barley combinations in organic production. A companion crop can support the lentils and make harvesting easier. This also explains why a carefully sorted bag of Swiss lentils may occasionally contain a cereal grain.

Swiss lentils are sold from farms in Valais, Vaud, Geneva and German-speaking regions, among others. The farm’s location does not prove the existence of a local cultivar. Check the cultivar name, place of cultivation and harvest year on the label, or ask the grower.

Dry peas and protein peas

Dry peas include yellow and green seeds, sold whole or split. Removing the skin and separating the two cotyledons produces split peas. They work in soups, purees, dhal-style dishes and patties. A large share of Swiss protein peas is still used as animal feed, so a local field does not necessarily result in packs on a grocery shelf.

Split peas are among the simplest pulses to cook. They usually need no soaking and turn creamy in about 30 to 60 minutes, depending on their age and the intended texture. Whole dried peas take longer. Harvest year matters because seeds stored for years can remain firm despite extended cooking.

Fava beans and field beans

Fava beans and field beans belong to the same species, Vicia faba. Large-seeded cultivars tend to be sold as culinary fava or broad beans; smaller-seeded types are often called field beans and grown at a larger scale. The difference mainly reflects cultivar and use, not two separate species.

Fresh fava beans become tender after a short cooking time. Large seeds have a skin that can be removed for a smoother puree. Dried beans need soaking and a longer cook. Garlic, savory, cumin, mint and Swiss rapeseed oil all suit their earthy flavour.

There is a serious exception. In people with glucose-6-phosphate dehydrogenase deficiency, the natural compounds vicine and convicine can trigger acute destruction of red blood cells, known as favism. MedlinePlus lists fava beans as a trigger for haemolytic anaemia. Cooking does not make them a safe choice for someone with this condition. Follow medical advice, avoid fava beans and check labels for fava protein in processed foods.

Chickpeas

Chickpeas prefer free-draining soil, sunshine and warmth. Agroscope has conducted trials since 2017. The results show that cultivation is possible in Switzerland and that some cultivars perform better than others. The crop remains frost-sensitive, weak against competing weeds and uneven in its ripening. Ascochyta blight also makes a long rotation important.

This evidence does not establish “Ticino chickpea” as a defined type. Chickpeas are grown in Ticino and in other suitable areas. A reliable provenance statement names where the crop was cultivated and harvested. Mediterranean imagery on the front of a pack does not.

Lupins and soybeans

Sweet lupin can provide protein-rich seeds, but wild or bitter lupins are not a home food project. Bitter seeds contain quinolizidine alkaloids and require controlled debittering. Buy properly labelled food-grade lupin products rather than collecting or treating seeds when the cultivar is unknown.

Soybeans also grow in Switzerland. Some become tofu, soy drinks and other foods, while some enter the feed chain. Soy is part of the legume family, but statistics often put it with oilseeds because it contains substantial oil. “Made in Switzerland” on tofu may refer only to processing. Look for a statement that the soybeans themselves were Swiss-grown.

Genuine local heritage: named bean varieties

Regional categories of the kind often quoted cannot be substantiated. Switzerland’s seed heritage offers much better examples. ProSpecieRara conserves more than 5,700 plant varieties. Its 2026 magazine says its seed library holds 238 bean varieties, including Grosi Muri Boswil, Schnägglibohne and Schmalzkönigin Herrliberg.

Other named varieties highlighted by the foundation include:

Weinländerin, a climbing bean with speckled pods;
Berner Butter, with flat, tender yellow pods;
Oktoberli, a fleshy, lightly speckled dwarf bean;
La Victoire, a dwarf bean sold in Switzerland since 1955 and bred from Ideal, which in turn was developed from Marché de Genève.

These are recorded cultivars with documented characteristics, unlike a generic regional label. The ProSpecieRara variety finder lists availability. Some entries are garden seed only and are not sold as dried pulses for eating.

Green, yellow and purple beans eaten with their pods are vegetables rather than pulses. If certain Phaseolus vulgaris varieties are allowed to mature, their dried seeds may be edible after thorough cooking, but first confirm that the variety is intended for that use.

Nutrition based on the cooked portion

Figures for 100 g of dry seed make an ordinary serving look much more concentrated than it is. Pulses absorb a lot of water. The table below uses USDA FoodData Central entries for 100 g of cooked, boiled, unsalted food. Cultivar and cooking method cause variation, but this is a realistic basis for comparing a plateful.

Cooked food, 100 g	Energy	Protein	Fibre	Iron	Folate
Lentils	116 kcal	9.0 g	7.9 g	3.33 mg	181 µg
Chickpeas	164 kcal	8.9 g	7.6 g	2.89 mg	172 µg
Dried fava beans	110 kcal	7.6 g	5.4 g	1.50 mg	104 µg
Split peas	118 kcal	8.3 g	8.3 g	1.29 mg	65 µg
White beans	139 kcal	9.7 g	6.3 g	3.70 mg	81 µg

A main-meal serving of 150 to 200 g cooked therefore often supplies about 12 to 19 g protein, depending on the pulse. That is useful in a vegetarian meal, but protein is only one part of the diet. Pulses do not provide reliable vitamin B12. See our guide to reliable B12 sources for fortified foods and supplements.

Iron from lentils and beans is non-haem iron and is less readily absorbed than haem iron. The NHS advises including vitamin C with the meal. Peppers, cabbage, broccoli, citrus fruit or berries are practical choices. Our plant iron guide also explains why tea or coffee with a meal can reduce absorption.

Must grains and pulses be combined at every meal?

No. Pulses contain all essential amino acids, though methionine is often present in a lower proportion. Grains tend to be lower in lysine. Eating both across the day gives a complementary mixture. A person who eats enough food and varies protein sources does not need rice and beans together every time. The plant protein guide has portion examples and complete meal ideas.

How to identify genuinely Swiss-grown pulses

Read the origin line before the marketing copy. “Packed in Switzerland”, “made in Switzerland” and a Swiss flag do not necessarily mean the crop grew there. A useful label specifies the country of cultivation and may identify the canton or farm.

At a farm shop or market, ask four questions: what species and cultivar is it? Where was it grown? What is the harvest year? Is it intended for food or only for sowing? The final question matters particularly for heritage beans and lupins.

Certification answers a separate question. Bio Suisse and Demeter describe production standards, not necessarily cantonal provenance. Our guide to Swiss labels separates origin, organic production and processing.

A dry batch should be clean and free of mouldy odours, insects, moisture and visibly damaged seeds. Old pulses are not automatically unsafe if they have remained dry, but they can be extremely difficult to soften. Buy a small amount for a first trial, especially with an unfamiliar heritage variety.

Is local always better for the climate?

Transport is only one part of a food’s footprint. Yield, irrigation, drying, processing, packaging and farm practice also matter. Legumes have an agronomic advantage because their bacterial symbiosis fixes nitrogen, and they can diversify crop rotations. That does not prove that every Swiss packet has a lower footprint than every imported one.

The case for local purchasing is clearer in terms of traceability, supporting a small food supply chain and giving growers a viable market. Grangeneuve reports that Swiss imports of grain legumes for human food rose from about 6,000 tonnes in 2013 to 9,000 tonnes in 2023. Domestic production increased as well, but supply still falls short of demand.

A reliable way to cook dried pulses

Sort, rinse and soak where useful

Spread the seeds on a tray, remove stones or damaged pieces, then rinse. Lentils and split peas usually need no soaking. Chickpeas, whole beans, dried fava beans and whole peas benefit from 8 to 12 hours in plenty of water. In warm weather, soak them in the refrigerator if they will sit longer.

Discard the water, rinse and cook in fresh water. Soaking mainly reduces cooking time. It may remove some fermentable oligosaccharides, but it cannot guarantee a symptom-free meal. A 2023 review of culinary approaches found that soaking can improve convenience and digestibility, with results depending on species and method.

Our soaking and sprouting guide explains the techniques and their limits. Sprouting a seed does not automatically make it safe to eat raw.

Salt is not the main cause of tough beans

The rule that early salting always hardens pulses is unreliable. Salted cooking water can season beans evenly. Old seeds, hard water and acid added too soon are more common causes of stubborn beans. Tomato, vinegar, wine and lemon slow the softening of cell walls. Add them when the beans are nearly tender.

If your tap water is very hard, try a less mineralised water. A little baking soda speeds softening but can produce a mushy texture and soapy taste. Recent beans and steady cooking are a better first solution.

Approximate cooking times

Times start once the water reaches a simmer and remain estimates:

Pulse	Soaking	Stovetop cooking
Green or brown lentils	no	20 to 35 min
Split red lentils	no	10 to 20 min
Split peas	no	30 to 60 min
Chickpeas	8 to 12 h	60 to 120 min
White beans	8 to 12 h	60 to 100 min
Dried fava beans	8 to 12 h	45 to 90 min

The dependable test is to taste several seeds. They should be tender all the way through. A pressure cooker shortens these times greatly; follow the appliance instructions and its fill limit for foods that foam.

Red kidney bean safety

Raw and undercooked red kidney beans contain high levels of phytohaemagglutinin, a lectin that can cause severe nausea, vomiting and diarrhoea. The FDA’s Bad Bug Book says as few as four or five raw beans may trigger symptoms.

For dried red kidney beans, the FDA recommends:

soaking in water for at least 5 hours;
discarding that soaking water;
boiling in fresh water for at least 30 minutes.

Do not cook them only in a slow cooker. The FDA reports that slow-cooked dishes may remain around 75°C, which is not hot enough to destroy the lectin. Tinned kidney beans have already been heat-treated and can be rinsed and reheated.

Other dried beans also need complete cooking. Do not taste uncooked bean-burger mixture or serve beans that are still crunchy. Seek prompt medical advice if significant vomiting follows a meal of undercooked beans.

Reducing digestive discomfort

Gut bacteria ferment some carbohydrates in pulses and produce gas. That is a normal process, although the response varies widely. Bay leaf, cumin, fennel and savory add flavour but do not guarantee prevention.

Start with 2 to 4 tablespoons of cooked pulses several times a week, then increase. Rinse canned pulses. Split red lentils, split peas and smooth purees are easier for some people, though not everyone. Eating slowly and spreading portions across meals often works better than an elaborate kitchen remedy.

A sudden increase in fibre without enough fluid can be uncomfortable. If you have a diagnosed digestive condition, follow advice tailored to it. Persistent pain, blood in the stool, weight loss or symptoms that wake you at night should not simply be blamed on beans.

Five useful preparations for Swiss crops

Lentil, apple and cabbage salad

Cook lentils until they remain intact. Dress while warm with rapeseed oil, mustard and apple vinegar, then add tart apple, shredded cabbage and parsley. The cabbage provides vitamin C alongside the iron-containing lentils. Rye bread with egg or smoked tofu turns it into a main meal.

Meat-free split pea soup

Soften onion, carrot and leek in a pan. Add split peas, bay leaf and water, then simmer until the peas break down. Smoked paprika gives a smoky note without pretending to be bacon. The soup thickens overnight, so add water when reheating.

Swiss chickpea hummus

Blend very soft chickpeas with tahini, lemon, garlic and ice-cold water. The lemon goes in after cooking. Add water gradually for a light texture instead of relying on a large amount of oil. For a sesame-free version, use sunflower seed butter.

Fava bean and mint puree

Cook soaked fava beans until completely tender. Remove tough skins if needed, then mash with rapeseed oil, mint, lemon and pepper. This dish is unsuitable for anyone with G6PD deficiency.

White beans with tomato

Cook the beans in water until almost tender before adding tomato, garlic, rosemary and roasted vegetables. Adding tomato at the start is a common reason for beans that never soften. Our vegetable cooking techniques offer options for the vegetables served with them.

Planning batches and storing leftovers

Two hundred grams of dry pulses often produce about 450 to 550 g cooked, although the yield varies. Cook a full packet, refrigerate what you will use soon and freeze the rest in portions with a little cooking liquid. A silicone muffin tray is useful for freezing individual blocks before moving them to a bag.

Cool cooked pulses promptly, refrigerate them within two hours and use them within a few days. If your plans are uncertain, freeze them on the cooking day. The food storage guide covers practical storage, while our five-dinner batch cooking plan shows how one pot can become several different meals.

Chickpea liquid can be used as aquafaba if it has been stored safely and shows no signs of spoilage. It works in some mousses and mayonnaise-style sauces, but salt concentration varies. For baking, use our egg substitute guide to match the replacement to the egg’s function.

Common mistakes

Treating a canton of origin as a cultivar name. A farm in Valais may grow a cultivar bred elsewhere.
Assuming every Swiss grain-legume field supplies human food. Much of the protein-crop harvest becomes feed.
Comparing 100 g dry with 100 g cooked. Absorbed water changes the apparent nutrient concentration.
Adding tomato or vinegar before the seeds soften.
Cooking dried kidney beans only in a slow cooker.
Expecting an herb to eliminate intestinal gas.
Treating fava beans as harmless in G6PD deficiency.
Forgetting B12 because a meal contains plenty of protein.

Frequently asked questions

Are Swiss-grown pulses always organic?

No. Origin and farming method are separate. Look for organic certification if that matters to you, then verify the country of cultivation as well.

Do lentils need soaking?

Usually not. Rinsing is enough. A short soak may reduce cooking time slightly, but it is not required.

Can I grow a heritage bean on a balcony?

Some dwarf beans suit a large container, while climbing types need a strong support and generous soil volume. Beans are frost-sensitive and should be sown once the soil is warm. Ask the supplier whether the seed is intended for gardening and whether the crop is eaten as a pod or dry seed.

Are canned pulses inferior to dried ones?

They remain useful sources of protein and fibre. Rinsing removes some of the salty liquid. Cans also prevent the cooking errors associated with dried kidney beans. Dried pulses are often cheaper and give more control over texture.

Where can I buy Swiss-grown pulses?

Try farm shops, markets, food cooperatives and producer webshops, then read the origin statement carefully. “Local” by itself is not enough. Our article on Swiss organic pulses provides more detail on labels and suppliers.