Ingredients
1 cup all-purpose flour
6 tablespoons unsweetened cocoa
1/2 teaspoon baking soda
1/4 teaspoon baking powder
1/4 teaspoon salt
8 tablespoons unsalted butter, softened
1 cup sugar
2 eggs, at room temperature
1 large egg yolk, at room temperature
1/2 teaspoon vanilla
1/2 cup boiling water
Filling:
2 tablespoons butter, softened
1 + 1/4 cups marshmallow fluff/creme*
Ganache:
5 ounces semi-sweet chocolate chips
1/3 cup heavy cream, warmed in a saucepan
Squiggles:
1/2 cup confectioners’ sugar
1-2 teaspoons milk
Preparation
