Mexican Casserole - cooking recipe

Ingredients

1 lb. ground beef
1 onion, chopped
1 can Ro-Tel
1 can cream of mushroom soup
1 pkg. taco seasoning
1 bag plain Doritos

Preparation

Brown meat and onion.
Drain fat.
Combine other ingredients except chips.
Heat thoroughly.
In large casserole dish, layer with chips, meat mixture and cheese.
Bake in oven until cheese melts.