Pork Roast Barbecue
["1 (4 to 5 lb.) pork loin roast", "1 1/2 c. water", "1 c. vinegar", "1/2 c. ketchup", "1/2 c. Worcestershire sauce", "1/4 tsp. pepper", "1 medium onion, chopped", "3 Tbsp. dry mustard", "3 Tbsp. brown sugar", "1 1/2 tsp. salt", "1/4 tsp. crushed red pepper"]
["Place roast, fat side up, in a 13 x 9 x 2-inch baking pan. Insert meat thermometer."]
["pork loin roast", "water", "vinegar", "ketchup", "Worcestershire sauce", "pepper", "onion", "dry mustard", "brown sugar", "salt", "red pepper"]