Place Pork Chops In An Ungreased 11-In. X 7-In. X 2-In. Microwave-Safe Dish. In A Bowl, Combine The Next Nine Ingredients. Pour Over The Chops. Cover With Plastic Wrap; Peel Back One Corner To Vent. Microwave On High For 18-20 Minutes Or Until Juices Run Clear. Remove Chops; Set Aside And Keep Warm. In A Small Bowl, Combine Cornstarch And Cold Water Until Smooth. Stir Into Barbecue Sauce. Microwave For 1 Minute Or Until Thickened. Serve Sauce Over Chops.