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["FOR THE CAKE: Preheat the oven to 450 degrees F.", "Prick the sweet potatoes several times with a fork, then place them on a baking sheet & bake until tender, about 45 minutes.", "When cool enough to handle, peel & mash with a fork, then reduce the oven temperature to 350 degrees F.", "Generously spray a 9""x13"" baking pan with nonstick cooking spray & set aside.", "In a large mixing bowl, whisk together the flour, cocoa powder, baking powder, baking soda, cinnamon, salt, nutmeg, allspice & cloves, then set aside.", "In a large bowl with an electric mixer, beat together the mashed sweet potatoes, the granulated sugar, brown sugar & vegetable oil until light & fluffy, then beat in the egg whites until well combined, before folding in the shredded carrot.", "In a small bowl, stir together the buttermilk & carrot juice, then alternately fold the buttermilk mixture & the flour mixture into the sweet potato mixture, beginning & ending with the flour mixture.", "Spoon the batter into the prepared pan, smoothing the top, then bake for 35 minutes or until a tester inserted in the center comes out clean.", "Cool the cake in the pan on a wire rack.", "FOR THE GLAZE: In a medium bowl, stir together the powdered sugar, orange juice & orange zest.", "When the cake has cooled, drizzle the glaze over the cake, then slice & ENJOY!"]
