Chili Dog Casserole

8 hot dog buns
8 hot dogs
1 (15 ounce) can chili
1/2 cup chopped onion
1 tablespoon prepared mustard
2 cups shredded Cheddar cheese

Preheat oven to 350F. Lightly grease a 9x13 inch baking dish. Tear up the
hot dog buns and arrange the pieces in the bottom of the dish evenly. Slice
the hot dogs into bite size pieces and layer the pieces over the buns. Pour
the chili over the hot dogs, sprinkle with the chopped onion, then spread
some mustard over the chili and the onion. Top off with the cheese. Bake in
preheated oven for 30 minutes.