Ingredients

The following ingredients have 4 Servings
  • 1 large egg, at room temperature
  • 1/4 cup + 2 tbsp buttermilk, at room temperature
  • 1/4 cup vegetable oil
  • 2 tbsp sour cream, at room temperature
  • 1/2 tbsp vanilla extract
  • 3/4 cup all-purpose flour
  • 3/4 cup granulated sugar
  • 1/2 cup unsweetened cocoa powder
  • 3/4 tsp baking powder
  • 3/4 tsp baking soda
  • 1/2 tsp kosher salt
  • 3 tbsp hot black coffee
  • 1/4 cup mini semi-sweet chocolate chips
  • 1 cup unsalted butter, room temperature (2 sticks)
  • 3 cups powdered sugar
  • 2 tsp vanilla extract
  • 2 tbsp heavy cream

Instruction