Pork Roast Barbecue
["1 (4 to 5 lb.) pork loin", "1 1/2 c. water", "1 c. vinegar", "1/2 c. catsup", "1/2 c. Worcestershire sauce", "1 medium onion, chopped", "3 Tbsp. dry mustard", "3 Tbsp. brown sugar", "1 1/2 tsp. salt", "1/4 tsp. crushed red pepper", "1/4 tsp. pepper"]
["Place roast fat side up in a 13 x 9 x 2-inch baking pan. Insert meat thermometer (not touching bone or fat).", "Combine remaining ingredients and mix well.", "Pour over roast.", "Bake, uncovered, at 325\u00b0 for 2 1/2 to 3 hours or until thermometer reaches 170\u00b0, basting frequently with pan drippings.", "Let stand 10 to 15 minutes.", "Serve with remaining sauce."]
["pork loin", "water", "vinegar", "catsup", "Worcestershire sauce", "onion", "dry mustard", "brown sugar", "salt", "red pepper", "pepper"]