Created by ImPat on April 22, 2019
Step 1: Preheat oven to 180C (350F).
Step 2: Place the peanut butter in a small saucepan over low heat and cook until warmed through and then set aside.
Step 3: Place the butter and both chocolates in a medium saucepan over low heat and stir until melted and smooth and then remove from heat and set aside.
Step 4: Place the eggs, white sugar, brown sugar and vanilla in a medium bowl and whisk to combine and then add the egg mixture to the chocolate mixture and stir until combined and then add the flour and stir until well combined.
Step 5: Pour half the brownie mixture into a lightly greased 20c x 30cm slice tin lined with non-stick baking paper and place in the freezer for 5 minutes to firm slightly and then pour over the peanut butter and spread evenly.
Step 6: Top with the remaining brownie mixture and cook for 35 to 40 minutes or slightly fudgy when tested with a skewer.
Step 7: Set aside in the tin to cool completely before cutting into squares to serve.