1 lb. hamburger
1 chopped onion
1/2 c. catsup
1 tbsp. vinegar
1 tbsp. Worcestershire sauce
1 tbsp. mustard
2 tbsp. brown sugar
1 lg. can pork & beans

Brown hamburger and onions in skillet. Mix rest of ingredients. Put in casserole dish. Bake 35 minutes at 350 degrees. (You can put bacon on top.)