Preheat oven to 350 degrees. In a large mixing add the white sugar, brown sugar, eggs and vanilla. Beat the ingredients on high with an electric mixer for 6 to 7 minutes until thick and glossy. In ...

Same goes for the brownie layer and the chocolate sauce ... And for a treat, consider mixing it up with fresh mint, strawberry, or gluten-free oreos. You could also double the brownie part ...

Melt the chocolate in a heatproof bowl over hot water. Fold the melted chocolate into the buttercream and add the mint. Pipe onto the cold brownies.