Bangladeshi Slow-Cooked Lamb Biryani

Bangladeshi Slow-Cooked Lamb Biryani

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This iconic Bangladeshi celebratory dish layers raw-marinated lamb with parboiled basmati rice, potatoes, and saffron, then slow-cooks everything together in a sealed pot. The lamb releases its juices into the rice, creating intensely flavorful, tender meat with perfectly fluffy grains. Traditionally served at weddings and Eid gatherings across Dhaka and Chittagong.

Prep Time45 mins
Cook Time95 mins
Total Time140 mins
Servings6
Yield6 generous servings

Nutrition Facts

Per serving (estimated)

  • 720 kcalCalories
  • 32 gFat
  • 13 gSaturated Fat
  • 65 gCarbs
  • 5 gFiber
  • 8 gSugar
  • 42 gProtein
  • 980 mgSodium
  • 920 mgPotassium
  • 180 mgCalcium
  • 5.5 mgIron
  • 18 mgVitamin C
  • 95 mcgVitamin A

Ingredients

For the lamb marinade

  • 2 lbs bone-in lamb shoulder, cut into 2-inch pieces
  • 1 cup plain full-fat yogurt
  • 2 large onions, thinly sliced and fried golden, then drained
  • 3 tbsp ginger-garlic paste combined with 1 tbsp raw papaya paste
  • 2 tsp red chili powder, 1 tsp turmeric, 2 tsp ground coriander, 1 tbsp biryani masala, 1 tsp garam masala
  • 4 green chilies, slit lengthwise
  • 1 1/2 tsp salt

For the basmati rice

  • 2 cups aged basmati rice, rinsed and soaked 30 minutes
  • 4 cups water with 2 bay leaves, 4 green cardamom pods, 1 black cardamom pod, 1 cinnamon stick, 4 cloves, and 1 star anise
  • 1 tbsp ghee
  • 1 tbsp salt

For the potatoes and assembly

  • 4 medium Yukon gold potatoes, peeled and halved
  • 1/4 tsp saffron threads soaked in 1/4 cup warm milk
  • 1 tsp kewra water blended with 1 tsp rose water
  • 4 tbsp ghee, divided
  • 1 cup chopped fresh mint leaves
  • 1 cup chopped fresh cilantro
  • 1 tsp garam masala for final dusting

Directions

  1. In a large bowl combine lamb pieces with yogurt, fried onions, ginger-garlic paste, papaya paste, all ground spices, green chilies, and salt. Mix thoroughly, cover, and refrigerate at least 4 hours, or overnight for best flavor and tenderness.
  2. Bring the 4 cups of spiced water to a boil with ghee and salt. Add the soaked drained rice and parboil for 6 to 7 minutes until grains are 70 percent cooked; drain immediately and spread on a tray to halt cooking.
  3. Heat 2 tablespoons ghee in a skillet and fry the potato halves with a pinch of turmeric and salt for 6 to 8 minutes until lightly golden on all sides, then set aside.
  4. In a heavy Dutch oven spread the marinated lamb in an even layer on the bottom. Top with fried potatoes, scatter the remaining slit green chilies, half the mint and cilantro, and drizzle with 1 tablespoon ghee.
  5. Add the parboiled rice as the next layer, spreading gently without pressing. Drizzle the saffron milk, kewra-rose water, and remaining ghee evenly over the rice, then top with the remaining herbs and dust with garam masala.
  6. Seal the pot lid tightly using a rope of wheat dough pressed around the rim to trap every bit of steam. Place the pot on a flat tawa over the lowest heat and cook undisturbed for 75 minutes.
  7. Remove from heat and let the biryani rest sealed for 15 minutes so the lamb finishes gently in the residual steam. Crack the dough seal, gently lift and fold the layers from the bottom before serving.
  8. Serve hot with borhani spiced yogurt drink, sliced raw onions, green chutney, and a wedge of lime.

Cook’s Notes

  • Marinate the lamb overnight for the most tender results; raw papaya paste acts as a natural tenderizer that breaks down tough fibers.
  • Use only aged basmati rice, as fresh rice grains break and turn mushy during the long sealed cooking.
  • Parboil the rice to exactly 70 percent doneness, since it will continue absorbing moisture and steam from the lamb below.
  • Seal the lid with a soft atta-and-water dough rope to lock in steam, this traditional step is essential for authentic dum cooking.
  • Place a cast-iron tawa beneath the pot to diffuse heat and protect the bottom layer from scorching.