1 lb. ground beef
1 sm. onion, chopped
1/2 bottle (18 oz.) BBQ sauce
1 (8 oz.) can tomato sauce
1/2 c. brown sugar
1 tbsp. mustard
1 tbsp. vinegar
1/2 tsp. salt
1/8 tsp. pepper
4 hamburger buns

Brown ground beef in skillet, stirring until crumbly; drain. Stir in onion, sauces, brown sugar and seasonings. Simmer for 30 minutes or longer, adding additional barbecue sauce if necessry. Serve over warmed hamburger buns. Yields 4 servings.