Chocolate-Peanut Butter Mallow Bars
1 pkg. (2-layer size) devil's food cake mix
1/2 cup non-hydrogenated margarine, melted
2/3 cup milk, divided
3/4 cup Smooth Peanut Butter
1 jar (198 g) Marshmallow Creme
1/2 cup salted peanuts
6 squares Semi-Sweet Chocolate, coarsely chopped
HEAT oven to 350°F. Mix dry cake mix, margarine and 1/3 cup milk until blended; press two-thirds onto bottom of 13x9-inch baking pan. Bake 12 to 14 min. or until centre is almost set; cool 3 min.
MIX peanut butter and remaining milk; spread peanut butter mixture onto crust. Top with spoonfuls of marshmallow creme and remaining cake mixture. Sprinkle with nuts and chocolate; press gently into cake mixture.
BAKE 18 min. or just until centre is set. Cool completely before cutting into bars.