1 (16 oz.) can tamales
1 (16 oz.) can chili without beans
1 med. onion, sliced thin
2 c. corn chips
6 oz. mild Cheddar cheese, sliced

Cut tamales crosswise into 1/2 inch slices. Line a 1 1/2 quart casserole with half the tamale slices. Spread half the chili over the tamale slices. Top chips with half the onion slices, half the chips and half the cheese. Repeat layers except for cheese. Bake uncovered at 350 degrees for 25 minutes. Top with remaining cheese. Bake 10 minutes more. Top with sour cream.