1 lb. ground beef
1/2 c. chopped onions
1/2 tsp. salt
1/4 tsp. pepper
2 tsp. vinegar
2 tsp. sugar
1/2 c. ketchup
1 med. size can pork and beans

Brown hamburger meat with onions. Drain. Mix remaining ingredients with hamburger and onion. Put into baking dish and bake 350 degrees for 30 minutes.