Aunt Patty's Coffee Cake

Aunt Patty's Coffee Cake

Source: Martha Stewart Living, November 2006


For the Filling

  • 3 tablespoons sugar
  • 4 1/2 teaspoons instant coffee granules
  • 4 1/2 teaspoons unsweetened Dutch-process cocoa powder

For the Batter

  • 1/2 cup (1 stick) unsalted butter, softened, plus more for pan
  • 2 cups all-purpose flour, plus more for pan
  • 1 teaspoon baking powder
  • 1 teaspoon baking soda
  • 1 teaspoon salt
  • 1 cup sugar
  • 2 large eggs, room temperature
  • 1 cup sour cream, room temperature
  • 1 teaspoon pure vanilla extract


  1. Preheat oven to 350 degrees. Make the filling: Stir together sugar, coffee, and cocoa powder in a small bowl; set aside.

  2. Butter a 10-inch (12-cup) Bundt pan. Dust with flour, and tap out excess. Make the batter: Whisk flour, baking powder, baking soda, and salt in a medium bowl. Put butter and sugar into the bowl of an electric mixer fitted with the paddle attachment. Mix on medium-high speed until pale and fluffy, 3 to 4 minutes. Reduce speed to medium. Mix in eggs, one at a time. Mix in flour mixture in 3 batches, alternating with sour cream. Add vanilla, and mix 1 minute.

  3. Spread 1/3 of the batter into prepared pan. Sprinkle with half the filling. Spread another third of the batter on top, followed by the remaining filling. Spread remaining batter over top. Run a thin knife through batter to marbleize.

  4. Bake until a cake tester inserted into center comes out clean, 35 to 38 minutes. Let cool 30 minutes. Invert onto a plate.


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