Clean the goat brains and soak in warm water for 5 minutes. Remove veins and membrane.
Heat oil in a pan, add cumin seeds, and let them crackle.
Add onions and fry until golden brown.
Add ginger garlic paste and prepare for 1 minute.
Add chopped tomatoes, turmeric, red chili, and coriander powder. Cook until masala releases oil.
Add yogurt and stir well.
Gently place goat brains into the masala. Do not stir too much or brains will break.
Cook for 5–7 minutes on low flame.
Sprinkle garam masala and green chilies.
Garnish with coriander leaves and serve hot with naan or paratha.