This recipe provides instructions for making an onion and tomato gravy. It involves sautéing sliced onions in clarified butter or ghee, then adding tomatoes, garlic, ginger and spices like cinnamon, green cardamom, and cloves. The mixture is cooked until the tomatoes are soft, blended into a fine paste, and simmered further with additional spices. Optional additions like cream, cashews or meat can be added to make various curries.