Ghirardelli Double Chocolate Brownie or whatever chocolate brownie mix is your favorite
1 cup Reese’s Peanut Butter Chips
1/2 cup Semi-Sweet Chocolate Chips
Best Peanut Butter Buttercream Frosting
Make up the brownie batter according to the directions on the package and then add 1 cup of Reese’s Peanut Butter Chips! Pour into a 13″ x 9″ pan and bake according to the directions on the box.
Allow the brownies to completely cool.
You are going to frost the pan of brownies with our Best Peanut Butter Buttercream Frosting.
It you want to make the Peanut Butter Brownie Bars a little fancier … melt 1/2 cup of Semi-Sweet Chocolate Chips in a plastic bag in the microwave.
Cut of a very tiny bit from the corner of the plastic bag and drizzle the melted chocolate over the top of the Peanut Butter Brownie Bars.