Skip to content
Bol repas garni de patate douce, edamame, concombre et graines
Back to the Gazette
Nutrition

Cooking legumes: simple, economical and excellent for my health

IRIS Prévention
26 August 2026
What if the most nutritious food in my kitchen was also the cheapest and easiest to prepare?

Lentils, chickpeas, beans, beans, flageolet beans, edamame... Legumes are the great forgotten ones on our modern plates. However, they combine exceptional nutritional qualities, one of the lowest costs in food, a remarkably small environmental footprint and infinite culinary versatility. Anses recommends consuming at least 2 servings per week. The reality? The majority of French people only consume one, or even less. It's time to remedy this - and I'm enthusiastically giving you all the keys to doing so.

1. Why are legumes so nutritionally exceptional?

Legumes are literally a unique nutritional combination: they are the only food category to combine both protein, complex carbohydrates and fiber in significant amounts, while being naturally low in saturated fat.

In addition to this exceptional nutritional profile, legumes have one of the lowest glycemic indexes of all carbohydrate foods (GI of 25 to 40), which makes them valuable allies for regulating blood sugar and preventing type 2 diabetes.

Legumes (100 g cooked)ProteinsFibersIronSpecific Asset
Green lenses9 g8 g3.3 mgCooking without soaking, very versatile
Dots chick9 g7.5 g2.9 mgBase of hummus, keeps well in a box
Kid Beans8.5g10 g2.1 mgFiber champions, excellent in simmering
Edamame (soy)11 g5 g 13px;border:1px solid2.3 mgComplete proteins, all 9 essential AA
Cooked beans7.5 g5.5 g1.9 mgRich in L-dopa, precursor of dopamine
Lenses coral8 g4 g3 mgUltra-fast cooking (15 min), melts into soup
## 2. The only real obstacle: bloating - and how to avoid it

Let's be honest: the main reason many people avoid legumes is digestive discomfort. This obstacle is real but largely surmountable with a few simple techniques. Bloating is caused by oligosaccharides (raffinose, stachyose) that our digestive enzymes cannot break down and which ferment in the colon.

Here's how to significantly reduce them:

  • I soak dried legumes for 8 to 12 hours in cold water before cooking, then I throw away the soaking water and rinse thoroughly. This step reduces the oligosaccharide content by 25 to 50%.
  • I cook legumes in cold water, without a lid at the start of cooking to allow the gaseous compounds to escape.
  • I add carminative spices to cooking: cumin, fennel, star anise, turmeric, ginger. They facilitate digestion and reduce fermentation.
  • I start with small portions and gradually increase: my microbiota adapts in 2 to 3 weeks and produces more enzymes to digest them.
  • For cans, I rinse the legumes very thoroughly: this eliminates some of the oligosaccharides dissolved in the preservation liquid.
FormatAdvantagesFocus
DriedCheaper (2 to 4 times less), better texture after cooking, less salt, keeps for years, choice of varieties more largeRequires soaking and cooking time. To plan in advance. Exception: coral and green lentils do not require soaking.
Canned or cannedMaximum convenience (2 minutes of preparation), immediate availability, ideal for quick weekday mealsHigher salt content (I rinse thoroughly). Sometimes softer texture. Higher cost. I checked the composition: legumes + water + salt only.

3. Boxed vs dry: what to choose?

The question comes up often and the answer is nuanced. Both forms have their advantages:

My advice: I use canned legumes during the week for convenience, and I cook the dried versions on the weekend during my meal prep. The best of both worlds.

4. My 6 essential recipes to master

Here are six versatile basic recipes that allow me to integrate legumes into all my meals of the week:

  • Red lentil dal (20 min): coral lentils + coconut milk + crushed tomatoes + cumin + turmeric + ginger + garlic. A complete, creamy and ultra-tasty dish. Freezes perfectly.
  • Homemade hummus (5 min): canned chickpeas + tahini + lemon + garlic + olive oil + cumin. Put in the blender. Infinitely better than the store and ready in 5 minutes.
  • Teated lentil salad (15 min): green lentils + cherry tomatoes + cucumber + feta + fresh herbs + mustard vinaigrette. Perfect lunch box, prepare in advance.
  • Chickpea curry (25 min): canned chickpeas + tomatoes + coconut milk + curry + spinach + garlic + ginger. Served with brown rice, it is a complete and balanced meal.- White bean soup (30 min): white beans + vegetable broth + garlic + rosemary + olive oil. Simple, comforting, very rich in fiber and protein.
  • Mexican bowl (10 min with canned goods): black beans + precooked brown rice + avocado + tomatoes + corn + lime + coriander. Fresh, colorful, complete.

5. The budget: the strong argument

Dried legumes are the most nutrient-rich food per euro spent. This is not an opinion, it is a verifiable economic reality:

  • Dried lentils: around 1.50 to 2 euros per kilo. A portion of 80 g dried (or around 200 g cooked) costs less than 20 cents and provides 18 g of protein and 16 g of fiber.
  • Dried chickpeas: around 2 euros per kilo. Comparatively, 200 g of chicken breast providing a similar quantity of protein costs 5 to 6 times more.
  • Canned red beans: approximately 0.80 to 1.20 euros per 400 g can (240 g drained). Cost per serving: around 40 cents for a remarkable nutritional contribution.

Beyond the personal budget, legumes have the lowest carbon footprint of all protein sources: they fix atmospheric nitrogen and do not need nitrogen fertilizers. An additional argument to make them the stars of my plate.

💡 tips to remember

    • I aim for a minimum of 2 servings of legumes per week: this is the ANSES recommendation and the simplest practice to increase my intake of plant proteins, fiber and iron.
    • Red lentils are my evening rush allies: no soaking, cooking in 15 minutes, melting texture. The red lentil dal is ready before my frozen pizza.
    • I start small to avoid bloating: half a portion the first few weeks, then I gradually increase. My microbiota adapts in 2 to 3 weeks.
    • I always rinse canned legumes: this eliminates excess salt and some of the oligosaccharides responsible for fermentation.
    • I add cumin, fennel or turmeric to my cooking: these carminative spices facilitate the digestion of legumes and make them tastier.
    • Homemade hummus in 5 minutes: canned chickpeas + tahini + lemon + garlic in the blender. Infinitely better than store-bought and full of protein and fiber.
    • Unbeatable budget: a portion of dried lentils costs less than 20 cents and provides as much protein as a portion of meat 5 times more expensive.