Make brownies the way they are called for on the box. Let cool completely.
For the peanut butter center take:
1/2 cup softened butter
1/2 cup peanut butter
2 cups confectioner's sugar
2 tsp milk
Spread over cooled brownies.
In a small bowl melt in the microwave for about 45 seconds:
1/4 cup butter
1 cup chocolate chips
Stir until smooth and then let stand for 10 minutes. Then spread over brownies. Refrigerate for 30 minutes and serve.
