2 (15 oz.) cans tomato sauce
1 tbsp. chili powder
1/4 tsp. ground cumin
12 corn tortillas
1/4 c. instant minced onion
1/2 tsp. salt
1/4 tsp. garlic powder
8 oz. shredded cheddar or Jack cheese

Preheat oven to 350 degrees. In a medium saucepan combine tomato sauce, onion, chili powder, salt, cumin, and garlic powder. Simmer, covered for 15 minutes.

Spread 1/4 cup sauce in the bottom of a 9-inch square baking pan; top with tortilla. Spread with 2 tablespoons sauce and sprinkle with 2 tablespoons cheese. Repeat, layering remaining tortillas, sauce, and cheese, ending with cheese.