Fry the onion

• Heat the oil in a pan and cook the diced onion until golden.
• Add the ginger garlic paste and fry briefly.

Brown the keema with the spices

• Add the beef keema and break it up with a spatula.
• Stir in the ground coriander, ground cumin, red chilli powder, zeera, garam masala, black pepper, turmeric, salt and cinnamon stick.
• Cook until the meat is browned.

Add the tomatoes

• Add the diced tomatoes, cover and steam.
• Crush the softened tomatoes into the masala.

Cook the potatoes

• Add the diced potatoes and the water.
• Cover and cook until the potatoes are softened and the water has dried up.

Finish and serve

• Stir in the diced serrano pepper and chopped cilantro.
• Serve with naan.