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https://www.hummingbirdhigh.com/2014/02/chocolate-creme-fraiche-cake-a-k-a-the-best-chocolate-cake-ever.html#wprm-recipe-container-10264 Ingredients For the Chocolate Cake 2 cups cake flour 2 cups granulated sugar 3/4 cups natural unsweetened cocoa powder 2 teaspoon baking soda 1 teaspoon baking powder 1 cup buttermilk, at room temperature and gently whisked 1/2 cup vegetable oil 2 large eggs, at room temperature 1 tablespoon pure vanilla extract 1 cup freshly brewed, strong hot coffee For the Chocolate Crème Fraîche Frosting (makes around 2 1/2 cups, enough for one cake) 12 ounces bittersweet chocolate, coarsely chopped 1/2 cup (1 stick) unsalted butter, cut into 1-inch cubes 2 tablespoons light corn syrup 1/2 cup crème fraîche, at room temperature 1/4 cup half-and-half, at room temperature