Grandma Mary'S Barbecue Beef
["2 lb. boneless rump roast", "2 tsp. shortening", "1 medium onion, sliced", "1/2 c. water", "salt and pepper", "1 medium onion, finely chopped", "1 clove garlic, minced", "3 Tbsp. butter", "1 c. ketchup", "2 Tbsp. vinegar", "2 Tbsp. brown sugar", "2 Tbsp. Worcestershire sauce", "1 tsp. dry mustard", "1 tsp. chili powder", "2 slices lemon", "1/4 c. water"]
["Brown meat.", "Add onion, salt, pepper and water.", "Cover and simmer approximately 1 1/2 hours."]
["boneless rump roast", "shortening", "onion", "water", "salt", "onion", "clove garlic", "butter", "ketchup", "vinegar", "brown sugar", "Worcestershire sauce", "dry mustard", "chili powder", "lemon", "water"]