Peanut Butter Layer Bars

PEANUT BUTTER LAYER BARS

These bars are pretty easy to make. It just takes a few steps but it kind of takes a little time. They are really rich, a little bite goes a long way. These are definitely for the peanut butter lovers.
COOKIE BASE
1 pouch (1lb 1.5oz) peanut butter cookie mix
3 TBSP vegetable oil
1 TBSP water
1 egg
FILLING
1/2 C butter, softened
1/2 C creamy peanut butter
2 C powdered sugar
2 tsp milk
FROSTING
1 C semisweet chocolate chips
1/4 C butter

*Heat oven to 350 degrees. Spray 9x13 baking dish with cooking spray. In a large bowl mix all cookie base ingredients until soft dough forms. Press dough into bottom of pan using floured fingers. Bake 15 to 18 minuted or until golden brown. Cool completely, about 1 hour. In a small bowl beat all filling ingredients with an electric mixer on medium speed until smooth. spread mixture evenly over cookie base. In microwaveable bowl combine frosting ingredients and microwave for 30 seconds. Stir until smooth. Cool 10 minutes then spread over filling. Refrigerate 30 minutes or until set.

Just before cooling.