Dark Chocolate Cake

• 1/2 cup unsalted butter
• 2 tbsp dutch processed cocoa powder
• 2 tbsp black cocoa powder
• 1/2 tsp kosher salt
• 1/2 cup milk
• 1 cup all-purpose flour
• 3/4 cup plus 2 tbsp sugar
• 3/4 tsp baking soda
• 3/4 tsp baking powder
• 1 large egg
• 1/4 cup plain greek yogurt
• 1/2 tsp vanilla

Peppermint Buttercream

• 1 cup unsalted butter room temperature
• 3 cups icing (powdered) sugar
• 2 tsp peppermint extract
• 3 tbsp whipping cream

Dark Chocolate Glaze

• 6 oz dark chocolate chopped
• 1/2 cup unsalted butter
• 1/4 cup whole milk
• 2 cups sifted icing (powdered) sugar