1 lb. ground beef
1/2 c. chopped onion
1/4 c. chopped green pepper
1/4 c. chopped celery
1 (8 oz.) can tomato sauce
1/4 c. tomato ketchup
1 tbsp. chili powder
1 tbsp. vinegar
1 tbsp. sugar
1 1/2 tsp. Worcestershire sauce
1 tsp. salt
1/8 tsp. black pepper

Brown meat in skillet with hot fat. Add vegetables and cook until vegetables are tender. Add remaining ingredients; mix well. Simmer 20 minutes. Serve on hamburger buns. Makes 5 or 6 servings.