INGREDIENTS
•
Cake:1 cup unsweetened cocoa powder
•
1 1/2 cups boiling water
•
3 cups sifted cake flour
•
1 1/4 teaspoons baking soda
•
1 teaspoon salt
•
1/2 pound (2 sticks) butter, softened
•
2 cups packed light brown sugar
•
3 eggs
•
2 teaspoons vanilla extractFilling:10 tablespoons (1 1/4 sticks) butter
•
1 1/3 cups packed light brown sugar
•
2 1/2 tablespoons milk
•
3/4 teaspoon vanilla extractFrosting:6 tablespoons (3/4 stick) butter
•
2/3 cup packed dark brown sugar
•
1/4 cup heavy cream, plus more, if necessary
•
2 1/2 cups confectioners’ sugar
•
1 teaspoon vanilla extract
•
1 cup chopped pecans, for garnish