Layered Peanut Butter Bars

1 pouch Betty Crocker™ peanut butter cookie mix
3 Tbs. vegetable oil
1 Tbs. water
1 egg

1/2 cup butter, softened
1/2 cup creamy peanut butter
2 cups powdered sugar
2 tsp. milk

1 cup semisweet chocolate chips
1/4 cup butter

Preheat oven to 350 F.
Spray bottom of 13×9” pan with cooking spray.
In large bowl, stir all Cookie Base ingredients until soft dough forms.
Press dough in bottom of pan using floured fingers.
Bake @ 350 F. for 15 to 18 minutes or until golden brown.
Cool completely, about 1 hour.
In small bowl, beat all Filling ingredients with electric mixer on medium speed until smooth.
Spread mixture evenly over cookie base.
In microwavable bowl, microwave all Frosting ingredients on High 30 seconds; stir until smooth.
Cool 10 minutes; spread over filling.
Refrigerate 30 minutes or until set. For bars, cut into 9 rows by 4 rows.

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