This delicious marble cake recipe is from the "Martha Stewart Baking Handbook."
The Martha Stewart Show, February Winter 2007
Yield Makes one 9-by-5-inch loaf
- 1/2 cup (1 stick) unsalted butter, room temperature, plus more for pan
- 1 3/4 cups cake flour (not self-rising)
- 2 teaspoons baking powder
- 1/2 teaspoon salt
- 1 cup sugar
- 3 large eggs, room temperature
- 1 teaspoon pure vanilla extract
- 2/3 cup buttermilk, room temperature
- 1/4 cup plus 1 tablespoon Dutch-process cocoa powder
- Preheat oven to 350 degrees. Generously butter a 9-by-5-inch loaf pan; set aside. Whisk together the cake flour, baking powder, and salt; set aside.
- In the bowl of an electric mixer fitted with the paddle attachment, beat the butter and sugar until light and fluffy, about 5 minutes. Add eggs, one at a time, beating until combined after each addition and scraping down the sides of the bowl as needed. Mix in vanilla. Add flour mixture in 2 batches, alternating with the buttermilk and beginning and ending with the flour. Set aside 1/3 of the batter.
- In a bowl, mix cocoa and 1/4 cup plus 2 tablespoons boiling water with a rubber spatula until smooth. Add the cocoa mixture to the reserved cake batter; stir until well combined.
- Spoon batters into the prepared pan in 2 layers, alternating spoonfuls of vanilla and chocolate to simulate a checkerboard. To create marbling, run a table knife (or wooden skewer) through the batters in a swirling motion.
- Bake, rotating the pan halfway through, until a cake tester comes out clean, 40 to 50 minutes. Transfer pan to a rack to cool 10 minutes. Turn out cake from pan and cool completely on the rack. Cake can be kept in an airtight container at room temperature up to 3 days.
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