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Blueberry Cake Donut Bars

4.0
7 Ratings

Erin Jeanne McDowell

Test Kitchen-Approved
Blueberry Cake Donut Bars

Photo by James Ransom

Serves
8 large bars (plus some scraps)

Cake donuts cut into bar form, with no special donut pan needed!


Ingredients

For the donut bars:

  • 1/2 cup butter, softened
  • 1 cup sugar
  • 2 1/4 cup all-purpose flour
  • 2 teaspoon baking powder
  • 3/4 teaspoon baking soda
  • 1 pinch salt
  • 2 eggs
  • 1 egg yolk
  • 1 cup buttermilk
  • 1 teaspoon vanilla
  • 2 1/2 cup blueberries

For the buttermilk glaze:

  • 2 cup powdered sugar
  • 3 tablespoon buttermilk
  • 1/3 cup whole milk

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Directions

Instructions

  • Step 1

    With a wooden spoon, beat the butter and sugar together in a large bowl until well-combined.

  • Step 2

    In a large bowl, whisk together the flour, baking powder, baking soda, and salt.

  • Step 3

    In a medium bowl, whisk together the eggs, egg yolk, buttermilk, and vanilla.

  • Step 4

    Alternate adding the dry and wet ingredients to the butter mixture alternately, in 2 or 3 additions each. Mix until just combined.

  • Step 5

    Fold in the blueberries. Pour the mixture into a lightly greased 9- by 9-inch cake pan, then bake in a 350° F oven until a toothpick inserted into the center comes out clean, 20 to 30 minutes. Cool completely, then cut into 8 bars.

  • Step 6

    To make the glaze, whisk the powdered sugar, buttermilk, and milk together to combine. Make sure the glaze is runny. Add additional milk, 1 tablespoon at a time, if needed.

  • Step 7

    Place the bars on a wire rack and pour the glaze over top. Letit set completely before serving.

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