Chocolate cake with cocoa glaze

2 cups flour 2 cups sugar 2 teaspoons baking soda 1/2 cup cocoa 2 eggs 1/4 teaspoon salt 1 cup oil 1 cup buttermilk 1 cup boiling water 1 Mix all ingredients[...]

3 tablespoons unsalted butter 6 ounces bittersweet chocolate , chopped 6 large eggs , separated, at room temperature 1 cup granulated sugar 3 tablespoons[...]

3/4 cup cocoa 1 3/4 cups unsifted flour 2 cups sugar 1 1/2 teaspoons baking soda 1 1/2 teaspoons baking powder 1 teaspoon salt 1 tablespoon instant coffee 2[...]