Real Mexican Enchilada Casserole - cooking recipe

Ingredients

1 (12 count) pkg. frozen corn tortilla shells
1 1/2 pkg. medium Cheddar cheese, grated
1 large onion, chopped
1 1/2 to 2 lb. ground beef, cooked and drained
5 cans mild enchilada sauce

Preparation

Empty all enchilada sauce into a bowl for dipping shells.
Dip the corn tortilla shells (6) into sauce.
Place flat on bottom of 14 x 10 x 2-inch baking pan.
Sprinkle layer of cooked ground beef, layer of chopped onion and a layer of grated cheese.
Dip remaining 6 shells and repeat layers.
If there is any extra sauce, it may be poured over casserole.
Cover with foil; bake in preheated oven at 400\u00b0 for approximately 45 minutes, or until bubbly.