In a mixing bowl, combine yogurt, ginger-garlic paste, turmeric, chili powder, coriander powder, amchoor, kasoori methi, roasted cumin powder.
Add hot mustard oil and mix all the ingredients well.
Add paneer cubes and the veggies to the marinade, mix it to coat everything evenly.
Cover and refrigerate for at least 30 minutes (overnight for deeper flavor).
Cook the marinated paneer on a grill pan by skewering on a bamboo stick or in a non stick grill pan.
Place the marinated paneer cubes and cook until golden and slightly charred on all sides. Set aside.
Heat oil or butter in a pan. Add cumin seeds, then sauté onions until golden.
Add ginger-garlic paste and cook until fragrant.
Stir in tomato puree, cashews (if using), turmeric, chili powder, paprika, salt and coriander powder. Roast it well until the raw smell goes away.
Add 3 tbsp of whisked yogurt while lowering the heat. Let me simmer until the oil is released. Add in hot water to make gravy.
Check the spice levels and adjust according to your taste and preference.
Stir in garam masala, kasuri methi.
Add grilled paneer tikka cubes and gently mix.
Finish with cream and garnish with coriander leaves.