2 tbsp oil 1 tsp cumin seeds 1 large onion, finely chopped 1 tbsp ginger-garlic paste 2 large tomatoes, pureed 1 tsp turmeric powder 1 tsp red chili powder 1 tsp coriander powder 1 tsp garam masala 1/2 cup heavy cream or cashew cream Fresh cilantro for garnish Salt to taste