Ingredients
Brownies:
1 Duncan Hines box Red Velvet cake mix
3/4 cup butter, after melted
1 egg
1/2 cup water
1 cup semi-sweet chocolate chips
2 cups walnuts, chopped (optional)
White Chocolate Buttercream:
1/2 cup (8 tbsp) unsalted butter, at room temperature
2 1/2 cups powdered sugar
1 tsp pure vanilla extract
4 oz good-quality white chocolate (not chips), melted – I recommend Callebaut
1 – 2 tbsp heavy cream
Preparation