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["Make the cake: Preheat the oven to 350 degrees F. Butter two 9-inch-round cake pans and line the bottoms with parchment paper; butter the parchment.", "Whisk the flour, cocoa powder, baking soda and salt in a bowl.", "Beat the granulated sugar, 12 tablespoons butter and the vegetable oil in a stand mixer fitted with the paddle attachment on medium-high speed until fluffy, about 4 minutes.", "Beat in the eggs one at a time.", "Beat in the food coloring, vinegar and vanilla.", "Reduce the mixer speed to low; add the flour mixture in 3 batches, alternating with the buttermilk, beginning and ending with the flour, until just combined.", "Divide the batter between the prepared pans.", "Bake until a toothpick inserted into the center comes out clean, 35 to 40 minutes.", "Let cool 10 minutes on racks, then turn the cakes out onto the racks to cool completely.", "Using a long serrated knife, carefully slice each cake in half horizontally to make 2 even layers.", "Make the frosting: Beat the cream cheese and butter in a stand mixer with the paddle attachment on medium-high speed until fluffy.", "Add the confectioners' sugar, lemon juice, vanilla and salt; beat until smooth.", "Put 1 cake layer on a platter; spread 1 1/4 cups frosting on top.", "Repeat to make 4 layers, ending with the cake.", "Cover the top and sides with a thin layer of frosting (this is the ""crumb coat""; it doesn't have to be perfect).", "Chill 15 minutes, then cover with the remaining frosting.", "Photograph by Levi Brown"]
