beat together the peanut butter, butter and brown sugar until light and fluffy. Beat in the egg and vanilla. In a separate bowl, whisk the flour, baking soda and salt. Gradually mix into the wet ...
Follow the packet mix instructions. Spoon over dollops of the peanut butter and swirl into batter using a butter knife. Bake for 45–55 minutes or until the brownie is set. Allow the to cool in the tin ...
Allow to cool completely on trays. To make the peanut butter frosting, place the sugar, peanut butter, butter and vanilla in an electric mixer and beat for 6 minutes or until light and fluffy. Add the ...