Tostada Casserole - cooking recipe

Ingredients

1 lb. ground beef
1 small onion, grated
8 oz. can tomato sauce
1/4 c. water
2 tsp. chili powder
4 oz. can diced green chilies
1/4 lb. Monterey Jack cheese or Muenster cheese
4 oz. pkg. taco shells

Preparation

Coarsely break taco shells.
In a 2-quart bowl, mix beef and onion.
Cover bowl with waxed paper.
Cook at High for 4 to 5 minutes, stirring and breaking up meat into small pieces every 2 minutes.
Tilt bowl, skim and discard excess fat.
Stir in tomato sauce, water and chili powder.
Cover.
Cook at High for 4 minutes or until meat mixture thickens, stirring after 2 minutes. Stir in undrained green chilies and shredded cheese.