Ingredients
Serves: 2 8 or 9-inch cakes
Prep Time: 30 minutes
Total Time: 4 hours
10 tablespoons (1 stick) butter
1 3/4 cup graham cracker crumbs
4 tablespoons sugar
1 1/2 cups all-purpose flour
1 teaspoon baking soda
1 teaspoon baking powder
1/4 teaspoon salt
1 1/4 cups boiling water
1/2 cup cocoa powder
4 ounces semisweet chocolate chips
1 teaspoon instant espresso or instant coffee powder
10 tablespoons unsalted butter, softened
1 1/2 cups packed light brown sugar
3 large eggs
1/2 cup sour cream
2 teaspoons pure vanilla extract
6 oz. semisweet chocolate chips
2/3 cup heavy cream
4 egg whites
1 cup granulated sugar
¼ teaspoon cream of tartar
1 teaspoon pure vanilla extract
Preparation
