Barbecue Sauce
["1 c. chopped onion", "1 (8 oz.) can tomato sauce", "1/4 c. brown sugar", "3 Tbsp. Worcestershire sauce", "2 tsp. salt", "1/4 c. salad oil", "1/2 c. water", "1/4 c. lemon juice", "2 Tbsp. mustard", "1/4 tsp. pepper"]
["Saute onion; add other ingredients.", "Simmer, uncovered, 15 minutes."]
["onion", "tomato sauce", "brown sugar", "Worcestershire sauce", "salt", "salad oil", "water", "lemon juice", "mustard", "pepper"]