1 lb. ground beef or venison
1 med. onion, chopped
3 med. dill pickles, diced
1 (4 oz.) can mushrooms
8 oz. tomato sauce
8 hamburger buns
2 slices American cheese (or Swiss)

Brown meat and onion. Season to taste. Drain. Add pickles, mushrooms and tomato sauce. Spread mixture on buns. Top with 1 1/4 slice cheese. Place tops on buns. Bake at 350 degrees for 12-15 minutes.