The Best Chocolate Buttercream Frosting (cupcakes) Recipe - (4.4/5)

Ingredients

• FOR THE CUPCAKE:
• 3 cups sugar
• 1 cup unsalted butter, room temperature
• 4 eggs
• 2 2/3 cups all-purpose flour
• 3/4 cup cocoa powder
• 1 tbsp baking soda
• 1/2 tsp salt
• 1 1/3 cups sour cream
• 1 cup strong coffee, cooled
• FOR THE FROSTING:
• 1 1/2 cup (3 sticks) unsalted butter, softened
• 1 cup cocoa powder
• 3/4 tsp salt
• 4 cups powdered sugar
• 2 tsp vanilla
• 1/4 cup milk
• 1 cup heavy cream
• 2/3 cup Ovaltine