Chocolate Cake IV

Name: Chocolate Cake IV
Total time: 30 min
Yield: 13 servings
Ingredients: cooking spray; vegetable shortening; 2 ounces chocolate baking bar semisweet, chopped; 2 ounces chocolate baking bar bittersweet, chopped; 1/2 cup butter softened; 2 cups light brown sugar firmly packed; 3 large eggs; 2 teaspoons vanilla extract; 2 1/4 cups cake flour; 2 teaspoons baking soda; 1/2 teaspoon salt; 1/4 teaspoon ground cinnamon; 1/2 cup buttermilk; 1 cup boiling water; icing Coffee Liqueur Ganache; cream Mocha-Chocolate, Filling; chocolate curls Garnish: