Coconut & green mango Chicken Biryani

Method

1. 1Prepare safely & plan the riceRead all steps first. Keep raw meat and seafood refrigerated at 4°C / 40°F or below until cooking; use separate boards and wash hands and utensils. Do not wash raw poultry. Thaw frozen meat or fish safely in the refrigerator. Rinse white basmati, soak in cool water for 25 minutes and drain. Boil in abundant fresh water for about 5–7 minutes; drain when the grain is flexible outside with a small firm, not crunchy, centre (about 80–85% cooked). Time the rice to finish just before layering; do not leave cooked rice standing at room temperature. The boiling times are guides: check texture and packet instructions. Use about 2 litre(s) of boiling water for this batch, in a large enough pot or separate batches.
2. 2Build the style & aromatic baseHeat the base oil in a wide pan and soften the onion for 8–12 minutes until golden. Bloom cumin seeds for 30 seconds, then stir in ground green cardamom for 10 seconds. Stir in ginger-garlic paste and the measured gentle chilli for 30 seconds. Prepare the style additions as follows, reserving any additions specified for just before layering: Stir coconut into the base over low heat for 30 seconds; add grated green mango and a splash of water, simmering 5 minutes. Lower the heat; stir in dairy yogurt, half the salt and a small splash of water. Simmer the sauce for 5 minutes. Add remaining salt to the rice's boiling water.
3. 3Fully cook the fillingAdd chicken to the simmering sauce; cover and cook 18–25 minutes, stirring and adding water as needed. Check several thick pieces with a food thermometer: all must reach 74°C / 165°F BEFORE layering. Finish any style additions reserved for just before layering. The filling must be fully cooked and hot BEFORE adding rice; finishing methods are not a shortcut for cooking raw meat, fish, eggs, legumes or vegetables. Reduce excess liquid: the sauce should coat the filling but remain moist, not soupy. Larger batches may need wider pans, separate batches and longer cooking; temperature and tenderness take priority over timings.
4. 4Layer & finish: Stovetop dumPut the hot cooked filling below the freshly drained, nearly cooked rice without stirring the layers. Layer in a heavy-based lidded pot, no more than two-thirds full. Drizzle the measured hot finishing water over the rice. Seal tightly, heat on medium-low for 2 minutes, then the lowest heat for 15–20 minutes. Use a heat diffuser if needed; do not stir. Total measured finishing water: 30 ml. The rice must become fully tender and the centre of the assembled dish must reach 74°C / 165°F. If either check fails, add a small splash of boiling water, reseal and continue in 5-minute increments, checking again. Do not serve hard rice or a cool centre.
5. 5Rest & add the garnishRest covered off the heat for 10 minutes. While it rests, prepare the garnish using clean equipment: Dry-toast cashews in a clean pan for 2–3 minutes until golden; scatter over the rested rice. Gently lift the rice and filling together to serve; oven pots, steamer bowls and steam are very hot.
6. 6Serve & store safelyServe immediately. Portion leftovers into shallow containers and refrigerate promptly, ideally within 1 hour for rice and always within 2 hours (1 hour if the room is above 32°C / 90°F). Do not leave a whole warm pot on the counter to cool. Refrigerate at 4°C / 40°F or below and use within 24 hours, or freeze promptly. Reheat once to 74°C / 165°F throughout; discard rice left warm too long, since reheating may not destroy toxins. Check every packaged ingredient for allergens and cross-contact.

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A rule-generated recipe variation inspired by a regional style, not individually kitchen-tested and not a claim of authenticity. Use a food thermometer for meat and seafood.