To Use Your MicrowavePeel and slice uncooked potatoes 1/4 inch thick. In a microwave-safe 2-quart casserole, combine potatoes and 3/4 cup water. Microcook, covered, on 100 percent power (high) for 10 to 14 minutes or until the potatoes are just tender, stirring twice. Drain potatoes; cover and set aside. Continue as above.