Line square pan, 9x9x2 inches, with aluminum
foil, leaving 1 inch of
foil overhanging on opposite sides.
Mix powder sugar, butter, 1 cup of peanut
butter and the vanilla in
large bowl. Stir in cracker crumbs and peanuts
(mixture will be stiff.)
Press in pan.
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 it almost set.
Remove from pan, using foil to lift. Fold
back foil; cut into 36
squares. Refrigerate uncovered about 2 hours or
until firm. Cover and
refrigerate any remaining squares.