Ingredients

The following ingredients have 12 Servings
  • 3 tablespoons canola oil
  • 1 stick unsalted butter, melted and slightly cooled
  • 1/2 cup semi-sweet chocolate chips
  • 3/4 cup + 2 tablespoons all-purpose flour, not packed
  • 1/2 teaspoon baking soda
  • 1 teaspoon baking powder
  • 1/2 cup unsweetened cocoa powder
  • 1/2 teaspoon salt
  • 2 large eggs + 1 large egg yolk, at room temperature
  • 1 cup granulated sugar
  • 1 teaspoon vanilla extract
  • 1/2 cup full fat sour cream
  • 1/2 cup hot coffee
  • 3 cups confectioners sugar
  • 3/4 cup unsweetened cocoa powder
  • 1 stick unsalted butter, very soft
  • 2 tablespoons sour cream
  • 3 tablespoons whole milk or half and half
  • 1/4 teaspoon salt
  • 1 teaspoon vanilla extract
  • 4 ounces bittersweet chocolate, chopped into small pieces
  • 1/2 cup heavy whipping cream
  • 1/2 teaspoons vanilla extract
  • 1/4 cup holiday sprinkles (optional but fun)
  • 12 marshmallows

Instruction