Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
2         cups          powdered sugar
1         cup           margarine or butter, softened
1         cup           peanut butter
1         teaspoon      vanilla
2 3/4     cups          graham cracker crumbs (36 squares)
1         cup           chopped peanuts
12        ounces        semisweet chocolate chips
1/4       cup           peanut butter

Preparation:

1. Line square pan, 9x9x2 inches, with aluminum foil, leaving 1 inch of foil overhanging on opposite sides. 2. Mix powdered sugar, margarine, 1 cup peanut butter and the vanilla in large bowl. Stir in cracker crumbs and peanuts (mixture will be stiff). Press in pan. 3. Heat chocolate chips and 1/4 cup peanut butter over low heat, stirring frequently, until smooth. Spread over crumb mixture. Cover and refrigerate about 1 hour or until chocolate is set. 4. Remove from pan, using foil to lift. Fold back foil; cut peanut butter mixture into 36 squares. Refrigerate uncovered about 2 hours or until firm. Cover and refrigerate any remaining squares.