Peanut Butter-Ups - cooking recipe

Ingredients

1 c. butter or margarine
1 c. peanut butter
2 c. graham cracker crumbs
2 to 2 1/2 c. confectioners sugar
1 c. chocolate chips
2 Tbsp. shortening

Preparation

Mix butter and peanut butter in 2-quart bowl.
Microwave on High (100%) for 1 1/2 to 2 minutes or until melted.
Blend well. Mix in crumbs and sugar until very stiff.
Press firmly in buttered 12 x 8-inch or 13 x 9-inch pan.