Chocolate Meringue Buttercream Cake

INGREDIENTS

For the meringues::

3 1/2 tbsp

cocoa powder (35g)

1 cup

confectioner's sugar

egg whites (3/4 cup) (155g)

2/3 cup

granulated sugar

For the chocolate buttercream frosting::

8 oz

bittersweet chocolate, finely chopped

2 sticks

unsalted butter, softened (1 cup)

4 cups

confectioner's sugar

6 tbsp

heavy whipping cream

1 tsp

vanilla extract