Ruth'S Barbecue Sauce
["2 Tbsp. brown sugar", "2 Tbsp. flour", "1 Tbsp. mustard", "1/4 c. chopped onion", "1 c. catsup", "1 Tbsp. fat", "2 Tbsp. vinegar", "1 3/4 c. water", "1 tsp. salt", "1/4 tsp. pepper", "2 Tbsp. Worcestershire sauce"]
["Combine all ingredients and bring to rolling boil."]
["brown sugar", "flour", "mustard", "onion", "catsup", "fat", "vinegar", "water", "salt", "pepper", "Worcestershire sauce"]