Cut chicken into pieces; cut each breast half into halves. Arrange chicken skin sides up and thickest parts to outside in oblong baking dish, 12 x 7 1/2 x 2-inches. Mix remaining ingredients in 4-cup glass measure. Microwave uncovered on high (100%) 3 minutes; stir. Microwave until mix- ture boils and thickens, 2 to 3 minutes. Pour sauce over chicken.
Cover loosely and microwave on high (100%) 10 minutes. Rearrange chicken and baste with sauce. Cover loosely and microwave until chicken is done, 10 to 15 minutes, basting with sauce every 5 minutes.