Mexican Dinner Casserole
["1 lb. ground beef", "1 medium onion, chopped", "1 (16 oz.) can tomatoes", "1 tsp. salt", "1 1/2 tsp. chili powder", "1/2 tsp. cumin", "1 1/2 c. shredded Cheddar cheese", "6 tortillas", "2 Tbsp. sour cream"]
["Brown beef and onion in a large skillet.", "In a mixing bowl, combine tomatoes and spices.", "Mash tomatoes with potato masher. Add tomato mixture to meat mixture.", "In a 2-quart casserole, alternate layers of tortillas, meat mixture and cheese until all ingredients are used.", "Cover and bake about 30 minutes until heated through.", "Cut into pie shaped wedges; top with 1 teaspoon sour cream."]
["ground beef", "onion", "tomatoes", "salt", "chili powder", "cumin", "Cheddar cheese", "tortillas", "sour cream"]