Chili Pie

1 lb. ground beef
1 med. onion, chopped
1 can peeled tomatoes
1 pkg. chili seasoning
1 sm. bag seasoned Doritos or Tostitos
1 can Ranch Style beans (opt.)
2 c. grated cheddar cheese

Brown and drain beef with onion. Add chili seasoning, tomatoes, and beans with their juices. Let simmer 10 to 15 minutes. Layer in casserole chips, cheese and meat. Repeat as necessary finishing with a layer of meat on top. Bake at 350 degrees for 20 minutes. Before serving, top with chips and cheese; return to warm oven until cheese melts.

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