Dip chicken pieces in melted margarine.
Combine crushed crackers and onion soup mix in plastic bag; shake to mix well.
Drop 2 pieces of chicken at a time in bag; shake bag to coat chicken.
Arrange chicken pieces, skin side up, in a 12 x 8 x 2-inch glass baking dish.
Cover with waxed paper.
Microwave on High for 20 to 22 minutes or until chicken is tender.