Adas—green lentils—are an inexpensive, dependable ingredient in the Persian pantry. They are best known as the heart of Adas Polo, where their earthy flavour sits beautifully beside fragrant rice, caramelised onion, spices and dried fruit.
What is it?
Adas is the Persian word for lentils. On this page it refers to whole green or brown lentils, which hold their shape better than split red lentils. They are sold dried or canned and are readily available in ordinary supermarkets as well as Persian grocery stores.
What does it taste like?
Green lentils taste earthy, nutty and gently peppery. Their flavour is mild enough to absorb cinnamon, turmeric, saffron and stock, while their firm texture gives rice dishes substance without becoming heavy.
Why is it used in Persian cooking?
Lentils bring economical plant protein, texture and comforting flavour to rice, soups and simple family meals. In Adas Polo they create a satisfying contrast with long-grain rice and the sweet-savoury garnishes often served on top.
How to choose it
Choose dry lentils that are evenly coloured and free from moisture, insects or excessive broken pieces. Older lentils can take longer to soften. Canned lentils are convenient; choose a low-sodium variety when possible and check that the lentils remain whole rather than mushy.
How to prepare it
Sort dried lentils and rinse them well. Cover with plenty of water, bring to the boil, then simmer until just tender. For Adas Polo, stop while they still hold their shape because they will cook again with the rice. Drain well before folding them through. Rinse and drain canned lentils; add them later so they do not become soft.
Storage tips
Store dried lentils in an airtight container in a cool, dry cupboard. Cooked lentils should be cooled promptly, refrigerated in a covered container and used within a few days. Freeze cooked lentils in recipe-sized portions for convenient future meals.
Nutritional benefits
Cooked lentils provide plant protein and dietary fibre, along with folate, iron, potassium and other minerals. They are naturally low in fat. Pairing lentils with grains such as rice makes a satisfying meal, while vitamin-C-rich vegetables served alongside can help the body absorb plant-based iron.
Common substitutes
Brown lentils are the closest substitute and behave in much the same way. French green lentils remain firmer and may take longer to cook. Black beluga lentils also hold their shape but change the appearance of the dish. Avoid red lentils in Adas Polo because they soften and break down quickly.
Recipes using the ingredient
FAQ
Do green lentils need soaking?
Usually no. Rinse and simmer them until tender, following the packet directions.
Can I use canned lentils in Adas Polo?
Yes. Rinse and drain them, then add them late enough to keep their shape.
Why are my lentils still hard?
Older lentils take longer to cook, and acidic ingredients can slow softening. Cook the lentils until tender before adding acidic ingredients.
Are red lentils a good substitute?
Not for Adas Polo. They break down quickly and will change the texture of the rice.