1. Crumble beef into a shallow, 2 1/2 -quart, heat-resistant, non-metallic casserole. Sprinkle meat with minced onion and crushed garlic. 2. Heat, uncovered, on Roast for 6 minutes. Stir occasionally to break up meat. 3. Drain excess fat. Add chili powder, pepper, water and tomato sauce. Stir to combine. Heat, uncovered, 5 minutes on Roast. 4. Alternately, layer tortillas, meat sauce and cheese in a round, 1 1/2-quart, heat-resistant, non-metallic casserole. Last layer should be cheese. 5. Heat, covered, on Roast for 9-11 minutes or until cheese is melted.

casserole on High instead of Roast. And I cook it for 12-13 minutes instead of the time called for. It depends on how strong your microwave is so adjust for that on all cooking times.