1 lb. hamburger
2 c. onion
4 tsp. shortening
1 tsp. salt
2 cans pork and beans
1 can kidney beans
2 tsp. vinegar
2 tbsp. mustard
1 c. catsup

Brown hamburger in shortening, chopped onion, salt.

Drain excess grease. Add pork and beans. Add kidney beans, drained. Add mustard. Add catsup. Bake at 450 degrees for approximately 30 to 45 minutes.