Martha stewart's ultimate chocolate cake with ultimate chocolate frosting vote now PreviousNext DessertVery Easy1 h 5 m Send this recipe to a friend Print this page Ask a question to the author Post your photo of this recipe Ingredients 8 1 cup Valrhona cocoa, plus more for dusting 3/4 cup strong coffee -- boiling 1 cup milk at room temperature 2 3/4 cups cake flour (not self-rising) 1 teaspoon baking soda 1/2 teaspoon salt 1 1/2 cups (3 sticks) unsalted butter at room temperature, plus more for pan 2 1/2 cups sugar 1 tablepsoon pure vanilla extract 4 large eggs at room temperature Ultimate Chocolate Frosting: 3 1/2 cups confectioners' sugar 1 cup Valrhona cocoa powder 12 tablespoon (1 1/2 sticks) unsalted butter at room temperature 1/2 cup milk at room temperature 2 teas pure vanilla extract View the directions