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An elegant Blackberry Coffee Cake in a springform pan showing golden streusel and fresh fruit.

Blackberry Coffee Cake


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5 from 8 reviews

Description

This exquisite Blackberry Coffee Cake features a tender, buttery crumb studded with tart fresh blackberries. Topped with a delicate streusel and finished with a sweet vanilla glaze, it makes for a sophisticated and memorable breakfast centerpiece.


Ingredients

  • 1 1/2 cups all-purpose flour
  • 1/2 cup white sugar
  • 1/2 cup light brown sugar
  • 1 teaspoon baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 cup unsalted butter, softened
  • 2 tablespoons vegetable oil
  • 2 large eggs
  • 1 teaspoon pure vanilla extract
  • 1/2 cup sour cream
  • 1 1/2 cups fresh blackberries, halved
  • 1/2 cup all-purpose flour (for topping)
  • 1/4 cup light brown sugar (for topping)
  • 1/4 cup cold cubed unsalted butter (for topping)
  • 1/2 cup powdered sugar (for glaze)
  • 1 tablespoon milk (for glaze)
  • 1/2 teaspoon vanilla extract (for glaze)


Instructions

  1. Prepare the oven. Set the oven to 350°F (177°C) and coat a nine-inch springform pan with non-stick baking spray.
  2. Assemble the streusel. Combine flour, brown sugar, salt, and cold butter in a bowl until crumbly, then refrigerate the mixture until needed.
  3. Mix dry ingredients. Sift the flour, white sugar, brown sugar, baking powder, baking soda, and salt into a large bowl and whisk thoroughly for one minute.
  4. Emulsify wet ingredients. Add room temperature butter and oil to the dry mix, then beat in the eggs, vanilla, and sour cream until a thick, uniform batter forms.
  5. Assemble and bake. Spread the batter into the prepared pan, top with halved blackberries and chilled streusel, and bake for 50 to 55 minutes until a tester comes out dry.
  6. Cool and glaze. Allow the cake to cool on a wire rack for fifteen minutes before removing the pan sides, then drizzle the whisked glaze over the completely cooled surface.

Notes

  • Ensure all dairy and egg ingredients are at room temperature to create a stable batter emulsion.
  • Pat blackberries completely dry after washing to prevent them from sinking into the cake during baking.
  • Keep the streusel topping chilled in the freezer right up until the moment it goes into the oven for a crisper texture.
  • Use a digital kitchen scale for ingredient measurements to avoid the inconsistencies of volume-based cup measurements.
  • Wait until the cake is entirely cool before applying the glaze to ensure it sets properly and does not become absorbed.
  • Prep Time: 15 mins
  • Cook Time: 55 mins
  • Category: Breakfast
  • Method: Baking
  • Cuisine: French-inspired