No Oven Peanut Butter Squares

Line 9"x13" pan with foil or wax paper, with ends extending over sides of pan. Melt butter in large bowl in microwave on high for 45 seconds or over stove in pan until melted. Remove from heat and stir in sugar, crumbs and peanut butter; mix well. Spread mixture into prepared pan. Melt "Nuggets" on slow and low heat in microwave or small saucepan until smooth, stirring until melted. Cool slightly, and then pour over peanut butter mixture in pan. Cool. Cut partially through mixture to mark squares with desired size. Can refrigerate or wait until it sets. Lift from pan, using handles from foil or wax paper. Cut all the way through mixture into squares. Serves 24