Mushroom and Chicken Polo (پلو مرغ و قارچ)

• 500 gBasmati rice (rinsed until water runs mostly clear)
• 30 gFine sea salt (for soaking water (plus more later if needed))
• 2000 gWater (for soaking rice)
• 700 gChicken thighs, boneless and skinless (cut into 3–4 cm pieces)
• 450 gFresh white mushrooms (sliced 6–8 mm thick)
• 150 gRed bell pepper (thinly sliced)
• 150 gGreen bell pepper (thinly sliced)
• 18 gGarlic (finely grated (about 5 cloves))
• 10 gFresh ginger (finely grated)
• 6 gCurry powder (about 2 tsp)
• 2 gGround black pepper (about 1 tsp)
• 45 mlNeutral oil (divided for sautéing)
• 120 gFried onions (piaz dagh) (store-bought or homemade, crisp)
• 240 mlChicken stock (low-sodium preferred)
• 0.25 gSaffron threads (for brewing)
• 60 mlHot water (for brewing saffron (about 70–80°C))
• 120 gPlain yogurt (full-fat for best tahdig)
• 18 gEgg yolk (from 1 large egg; optional but helps crisp tahdig)
• 30 gUnsalted butter (melted; for aroma and gloss)

Instructions

1. 1

   Rinse the basmati rice 4–6 times until the water is mostly clear. Soak it in 2000 g water mixed with 30 g salt for 45 minutes at room temperature. Meanwhile, brew saffron by crushing 0.25 g threads and steeping in 60 ml hot water (70–80°C) for 15 minutes; keep covered to trap aroma.

2. 2

   Heat 15 ml oil in a wide skillet over medium-high heat. Add mushrooms in a single layer and sauté 8–10 minutes, stirring occasionally, until their moisture evaporates and edges turn golden. Transfer to a bowl. This step concentrates flavor and prevents watery polo. Do not salt mushrooms yet, or they will steam instead of brown.

3. 3

   In the same skillet, add 15 ml oil and heat over medium. Add bell peppers and sauté 4–5 minutes until slightly softened but still bright. Add grated garlic and ginger; cook 60–90 seconds until fragrant. Return mushrooms, then stir in curry powder, black pepper, and 7 g salt; toast spices for 30 seconds to bloom their aroma.

4. 4

   Add remaining 15 ml oil to the skillet and increase heat to medium-high. Add chicken pieces and sauté 6–8 minutes, turning, until lightly browned on most sides. Stir in 120 g fried onions (piaz dagh), then pour in 240 ml chicken stock. Simmer uncovered 10–12 minutes until chicken is cooked through and the mixture is saucy, not watery.

5. 5

   Bring 3000 ml water to a rolling boil in a large pot. Drain soaked rice well and add to boiling water. Boil 6–8 minutes, stirring gently twice, until grains are tender on the outside but still firm in the center. Drain immediately in a colander and rinse quickly with 250 ml cool water to stop cooking and keep grains separate.

6. 6

   Make tahdig base: whisk 120 g yogurt with 18 g egg yolk (optional), 15 ml oil, and 2 tbsp (30 ml) brewed saffron. Mix in 200 g of the parboiled rice until evenly coated. Heat a nonstick or heavy pot (24–26 cm) over medium for 2 minutes, add 15 ml oil, then spread the saffron-yogurt rice evenly on the bottom.

7. 7

   Layer the polo: add one-third of remaining rice over tahdig, then spread half of the chicken-mushroom-pepper mixture. Repeat with another third of rice, the remaining filling, and finish with the last rice. Poke 5–6 steam holes with a spoon handle. Drizzle 30 g melted butter and the remaining brewed saffron over the top.

8. 8

   Wrap the lid with a clean towel and cover the pot tightly. Cook 10 minutes over medium-high to build steam, then reduce to low and steam 45 minutes. The rice should smell nutty and saffron-forward. Turn off heat and rest, covered, 10 minutes. Invert onto a platter to reveal tahdig, or remove tahdig separately.