First Make the brownies.
Preheat the oven to 350 degrees F.
Grease a 9×13 pan for thin brownies and 9 x 9 for thick brownies.
Combine the dry ingredients, flour, baking powder, salt and cocoa powder in a large bowl.
In another bowl add the the wet ingredients, melted butter, eggs and vanilla extract.
Pour the dry ingredients into the wet ingredients and stir until they are well combined.
Spread brownie batter evenly in your prepared baking dish.
If you are using a 9 x 13 pan bake for 22-25 minutes. If you are using a 9 x 9 pan bake for 25 – 28 minutes.
Allow brownies to cool.
While the brownies are cooling make the peanut butter layer.
Mix together the 1/2 cup of butter, peanut butter and powder sugar until smooth.
Spread over cooled brownies. Let the peanut butter mixture set up in the refrigerator for and hour.
Once cooled it is time to make the chocolate layer for the Buckeye brownies.
Melt the chocolate chips and butter in a double boiler over medium heat till melted.
Once cooled it is time to make the chocolate layer for the Buckeye brownies.
Melt the chocolate chips and butter in a double boiler over medium heat till melted.
Pour over the peanut butter layer and let the chocolate harden.
Once cool, cut them into squares.