Chocolate Layer Cake

Name: Chocolate Layer Cake
Prep time: 1 h 40 min
Cook time: 1 h
Total time: 2 h 40 min
Cuisine: World Cuisine
Ingredients: Cooking spray; 3 1/2 cups all-purpose flour (sift, then measure), plus more for dusting; 2 cups hot strong coffee; 1 1/2 cups natural unsweetened cocoa powder (not Dutch process); 2 teaspoons salt; 1 tablespoon baking soda; 1 tablespoon baking powder; 4 cups sugar; 4 large eggs; 1 cup vegetable oil; 4 teaspoons vanilla extract; 1 1/2 pounds bittersweet chocolate, chopped; 3 1/3 cups heavy cream; 4 ounces white chocolate, finely chopped; 4 ounces milk chocolate, finely chopped; 8 ounces bittersweet or semisweet chocolate, finely chopped