Wash the spinach and place in a microwave safe bowl. Micro on high for 1-2mins to blanch the spinach. Cool and blend to a smooth paste with the green chillies, coriander leaves, mint leaves and yogurt.
Heat oil in a pan and fry the cumin seeds till they crackle. Add onions and fry till golden.
Add the garlic and fry for 1min. Add cumin powder, coriander powder, turmeric powder andkasoorimethi and fry for 30secs.
Then add the spinach paste, salt and 1/4cup water and cook for 5mins till the raw smell disappears.
Drain the paneer and add to the gravy. Cover and cook on low heat for 5mins.