Ingredient

Biryani

Biryani is rice and a spiced meat or vegetable curry, part-cooked separately, layered, sealed and finished together so the rice steams in the aromas of what is beneath it. That separation is the whole definition — a dish where rice and curry are cooked together is a pulao, and a good one, but it is not a biryani.

The structure, and why it matters

In a pulao, rice is cooked in a seasoned stock, absorbing it. The result is uniform: every grain tastes the same.

In a biryani, the rice is boiled separately to about seventy per cent done and drained, the curry is cooked separately and left quite thick, and then they are layered — curry at the bottom, rice on top, sometimes alternating — with saffron milk, fried onions, herbs and ghee scattered between.

The pot is then sealed and cooked very gently. That final stage is dum: the trapped steam finishes the rice while it carries the aromas upwards through the layers. What you get is deliberately uneven — some grains stained yellow with saffron, some white, some soaked with the curry beneath, and the flavours related but distinct.

Stir it and you have destroyed the dish. Biryani is served by cutting down through the layers with a spoon and lifting, so each portion gets a cross-section.

The method

Long, with several parallel jobs, and none of them individually difficult.

1. Wash basmati rice until the water runs clear, then soak it for around thirty minutes. Washing removes surface starch that would make it sticky; soaking lets the grains hydrate so they cook evenly and lengthen rather than break.
2. Make birista — onions sliced thin and fried slowly in plenty of oil until deep golden and crisp. Drain them on paper. They are essential rather than a garnish, and they must be properly browned, not merely softened.
3. Marinate the meat in yoghurt, ginger, garlic, chilli and spices, ideally for several hours. The yoghurt tenderises and the marinade becomes the sauce.
4. Cook the curry until the meat is tender and the sauce is thick — much thicker than a curry you would eat with rice, because the rice will be sitting on it.
5. Boil the soaked rice in a large volume of well-salted water with whole spices — cardamom, bay, cinnamon, cloves — until it is about seventy per cent cooked: it should still have a distinct bite. Drain immediately.
6. Layer in a heavy pot: curry, then rice, then saffron steeped in warm milk, fried onions, chopped coriander and mint, and a drizzle of ghee. Repeat if you have enough.
7. Seal the pot — a tight lid, weighted, or traditionally a rope of dough pressed round the rim.
8. Cook on the lowest possible heat for twenty to thirty minutes, with a tawa or heat diffuser under the pot so nothing catches. Or in a low oven, which is easier.
9. Rest it for ten minutes, then open it at the table. Serve by cutting down through the layers, never by stirring.

The regional styles

Biryani is not one dish and the differences are substantial.

Hyderabadi

Often kacchi — raw marinated meat layered under the rice and cooked entirely in the dum. Demands precise timing and is the most celebrated version.

Lucknowi / Awadhi

Subtler and more fragrant, with the meat cooked first (pakki). Less chilli, more aromatic spice.

Kolkata

Includes potato and often a whole boiled egg, lighter on spice. Descended from the Lucknow style.

Malabar / Thalassery

Made with short-grain khaima or jeerakasala rice rather than basmati. Distinctly different texture.

Sindhi and Bombay

More sour and more chilli, often with potato and tomato.

Vegetable biryani

Widely made, and the same technique. Needs assertive seasoning, since there is no meat and no bone contributing depth.

What goes wrong

• Mushy rice. Boiled too far before layering. It must come out with a real bite — it finishes in the dum.
• Undercooked rice. Not enough steam, a lid that did not seal, or too little moisture in the curry.
• Burnt bottom. Heat too high, or no diffuser. A low oven is the reliable domestic answer.
• Bland, uniform dish. Stirred rather than layered, or the curry was not thick and assertive enough.
• Pale, flat flavour. The onions were softened rather than fried to deep golden. Birista is doing more work than any single spice.
• Broken grains. Rice not soaked, or stirred while boiling. Handle it gently and drain rather than agitating.

Common questions