Pistachio Bar Dessert

From Kraft Foods

36 OREO Cookies, finely crushed (about 3 cups)

6 Tbsp. butter or margarine, melted

2 pkg. (3.4 oz. each) JELL-O Pistachio Flavor Instant Pudding

2 cups cold milk

1 tub (8 oz.) COOL WHIP Whipped Topping, thawed, divided

1/2 cup toffee bits

MIX cookie crumbs and butter until well blended. Press onto bottom of 13x9-inch pan. Refrigerate until ready to use.

BEAT pudding mixes and milk in large bowl with whisk 2 min.; spread 1-1/2 cups onto bottom of crust. Stir half the COOL WHIP into remaining pudding; spread over pudding layer in pan. Cover with remaining COOL WHIP and toffee bits.

REFRIGERATE 4 hours or until firm.