Easy Vegetarian Kofta Curry

Heat olive oil and butter in a large saucepan over medium heat. Add cumin seeds cardamom pods whole cloves cinnamon stick and bay leaf. Cook until spices start to sputter about 1 minute. Stir in onion ginger and garlic. Cook and stir until onion is softened and just starting to brown about 5 minutes.

Stir in diced tomatoes coriander turmeric cumin garam masala cayenne and salt. Bring mixture to a gentle simmer; add yogurt and stir well. Add frozen vegetable balls. Pour in hot water to thin sauce slightly to desired consistency. Bring mixture back to a simmer and cook covered until sauce is thickened and vegetable balls are heated through 10 to 15 minutes.