Cut off and discard wing tips and excess skin. Cut wings in half at joint. Place in 8x8 inch baking dish.

Combine sugar, vinegar, soy sauce and catsup. Pour over wings. Marinate 3 to 4 hours, or overnight in refrigerator, stirring once or twice to coat.

After marinated, microwave at high 11 to 22 minutes, or until fork tender, checking in several places, pushing center portions to outside of dish after half the cooking time. Makes approximately 15-20 wings.