Beef Barbecue
["4 lb. ground beef or 3 lb. boneless chuck roast", "1 medium onion", "2 Tbsp. butter", "2 Tbsp. vinegar", "4 Tbsp. brown sugar", "4 Tbsp. lemon juice", "1 c. Heinz catsup", "3 Tbsp. Worcestershire sauce", "1/2 Tbsp. prepared mustard", "1/2 c. water", "salt to taste", "1 bottle chili sauce"]
["Simmer onion and butter.", "Mix ingredients with sauce.", "Cook slowly 1 1/2 hours."]
["ground beef", "onion", "butter", "vinegar", "brown sugar", "lemon juice", "catsup", "Worcestershire sauce", "mustard", "water", "salt", "chili sauce"]