1 lb. ground beef
1 sm. onion, chopped
1/2 tsp. salt
1/4 tsp. pepper
1 tbsp. vinegar
1 tbsp. sugar
1 (16 oz.) can pork & beans
1/2 c. ketchup
3 strips bacon

Cook ground beef and onion in heavy skillet slowly until meat is brown. Drain off grease. Mix the rest of the ingredients. Bake in casserole dish for 30 minutes at 350 degrees.