Mutton rezala is a delicate Bengali white curry with yogurt, poppy seeds, and mild whole spices. This protein-rich mutton dish is lighter than most gravies, suiting calorie deficit approaches.
Soak poppy seeds and cashews in warm water for 20 minutes, then blend into a smooth paste using a blender.
Finely slice onions and fry them in 2 tbsp ghee over medium-low heat until just golden; do not over-brown.
Add bay leaves, cardamom, cloves, and cinnamon; sauté for 1 minute until fragrant, then add the ginger and garlic.
Mix in the mutton pieces, increase heat to medium-high, and sear for 6–7 minutes until lightly browned and juices release.
Lower the heat to medium, add the onion-ghee mixture, yogurt, poppy-cashew paste, white pepper, and salt; stir gently to prevent curdling.
Cover and simmer on low heat for 60–70 minutes, stirring every 15 minutes, until mutton is tender and oils begin to separate.
Finish with a final spoon of ghee and adjust salt to taste; let the curry rest for 10 minutes before serving to allow flavors to develop.