German Chocolate Cupcakes With Espresso Frosting

Ingredients

• german chocolate cupcakes
• 1 3/4 cup flour
• 1 cup unsweetened cocoa powder
• 1 1/2 tsp baking soda
• 1/2 tsp salt salt
• 1 1/2 sticks unsalted butter
• 2/3 cups sugar
• 2/3 cups light brown sugar, packed
• 2 eggs
• 1 tsp vanilla
• 1 cup buttermilk
• 1/2 cup sour cream
• 2 tbsp freshly brewed coffee, cooled
• espresso frosting
• 1 stick (1/2 cup) butter
• 2/3 cup unsweetened cocoa
• 3 cups powdered sugar
• 1/3 cup milk
• 1 tsp vanilla extract
• 2 tbsp of freshly brewed coffee, cooled