Chocolate Fudge Layer Cake
Ingredients for the cake:
2 2/3 cups all purpose flour
3/4 cup plus 1 T granulated sugar
1/3 cup light brown sugar
1/4 cup cocoa powder
2 teaspoons baking powder
1 teaspoon baking soda
1/2 teaspoon salt
3 eggs
1/2 cup plus 2 T sour cream
1 T vanilla extract
3/4 cup unsalted butter, melted and cooled
1/2 cup corn oil
1 1/3 cups chilled water
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Ingredients for the fudge icing:
6 ounces bittersweet chocolate, minimum 70 percent cocoa solids
1 cup plus 2 T unsalted butter, softened
1 3/4 cups confectioners' sugar, sifted
1 T vanilla extract
Preparing the cake:
Preheat the oven to 350 degrees F. Butter and line the bottom of 2 (8-inch) cake pans.
In a large bowl, mix together the flour, sugars, cocoa, baking powder, baking soda and salt. In another bowl or wide-necked measuring cup whisk together the eggs, sour cream and vanilla until blended. Using a standing or handheld electric mixer, beat together the melted butter and corn oil until just blended (you'll need another large bowl for this is using the hand mixer; the standing mixer comes with its own bowl), then beat in the water. Add the dry ingredients all at once and mix together on a slow speed. Add the egg mixture, and mix again until everything is blended and then pour into the prepared pans.
Bake the cakes for 45 to 50 minutes, or until a cake-tester comes out clean. Cool the cakes in their pans on a wire rack for 15 minutes, and then turn the cakes out on the rack to cool completely.
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Preparing the icing:
Melt the chocolate in the microwave - 2 to 3 minutes on medium should do it - or in a bowl sitting over a pan of simmering water, and let cool slightly.
In another bowl beat the butter until it's soft and creamy and then add the sifted confectioners' sugar and beat again until everything's light and fluffy. Gently add the vanilla and chocolate and mix together until everything is glossy and smooth.
Sandwich the middle of the cake with about a quarter of the icing, and then ice the top and sides, too, spreading and smoothing with a rubber spatula.