BEAT 1 1/4 cups peanut butter and butter in large mixer bowl until creamy. Gradually beat in 1 cup powdered sugar. With hands or wooden spoon, work in remaining powdered sugar, graham cracker crumbs and 1/2 cup morsels. Press evenly into greased 13 x 9-inch baking pan. Smooth top with spatula.
MELT remaining peanut butter and remaining morsels in medium, heavy-duty saucepan over lowest possible heat, stirring constantly, until smooth. Spread over graham cracker crust in pan. Chill for at least 1 hour or until chocolate is firm; cut into bars.
Store in refrigerator.
Makes about 60 barsRecipe submitted by Joyce on 6/14/00