2 sticks margarine, room temperature
1 cup peanut butter
1 lb confectioners' sugar
1 1/2 cups graham cracker crumbs
16-oz milk chocolate chips
In a large bowl, cream together the margarine, peanut butter, confectioners' sugar, graham cracker crumbs. Mix together throughly and pat into the bottom of a 9 x 13-inch dish or pan. Melt the chocolate chips in the microwave or over hot water, stirring until totally melted. Spread the chocolate over the peanut butter layer. Let chocolate set before cutting into bars.