Place 1 1/2 cups regular Fritos corn chips in baking dish. Chop 1 large onion; grated 1 cup American cheese. Arrange chopped onion and half of cheese over Fritos.

Pour heated chili (brand of choice, 15 oz. can), Fritos and the remaining grated cheese. Bake at 350 degrees for 10 minutes. Serves 6.