1 lg. pkg. corn chips
1 lg. can chili
2 c. cooked pinto beans, drained
1/2 c. chopped onion
1 c. grated American cheese

Butter baking dish and line with crushed corn chips. Heat chili and beans, alternate layers of beans, chili, onions, corn chips. Top with cheese. Bake at 350 degrees for 15-20 minutes.