Chocolate Peanut Fudge Bars

Crust:
2 cups chocolate cookie crumbs
1/2 cup butter or margarine, melted

Filling:
1 (8 oz) cream cheese, softened
1 cup powdered sugar
1/2 cup creamy peanut butter
2 tablespoons milk

Topping:
2 cups semi-sweet chocolate chips
1/2 cup creamy peanut butter
1 cup peanuts, coarsely chopped

In a medium bowl, combine crust ingredients; mix well. Press firmly on bottom of 13x9 pan. Refrigerate at least 30 minutes. In medium mixer bowl, combine filling ingredients; blend at low speed 30 seconds. Beat at medium-high speed 2 minutes or until light and fluffy. Spread over crust. In medium saucepan, melt chocolate chips over low heat, stirring constantly, until smooth. Stir in peanut butter; blend well. Stir in peanuts. Spread over filling. Refrigerate at least 4 hours. Store refrigerated.