place peache slices in 8- half inch round or 20 cm square microwave proof dish. Stir in lemon juice and toss lightly. cut butter into flour in medium mixing bowl until mixture resembles coarse cornmeal. Stir in sugars, oats, cinnsmon, nutmeg and waltnuts. Sprinkle over peaches. Microwave on high(100% power) until fruit is tender dozen to 14 minutes rotating dish once. or bake in oven at 180ºC or 20 minutes