Mishaps of a housewife

Ina Garten's chocolate layer cake: INGREDIENTS 1 3/4 cups all-purpose flour, plus more for dusting 2 cups sugar 3/4 cup unsweetened cocoa powder 2 teaspoons baking soda 1 teaspoon baking powder 1 teaspoon kosher salt 1 cup buttermilk 1/2 cup vegetable oil 2 large eggs 1 teaspoon pure vanilla extract 1 cup freshly brewed hot coffee DIRECTIONS Preheat the oven to 350°. Butter two 8-inch round cake pans and line them with parchment paper; butter the paper. Dust the pans with flour, tapping out any excess. In the bowl of an electric mixer fitted with a paddle, mix the flour with the sugar, cocoa powder, baking soda, baking powder and salt at low speed. In a medium bowl, whisk the buttermilk with the oil, eggs and vanilla. Slowly beat the buttermilk mixture into the dry ingredients until just incorporated, then slowly beat in the hot coffee until fully incorporated. Pour the batter into the prepared pans. Bake for 35 minutes, or until a toothpick i