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Blackberry Layer Cake Recipe

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5 from 300 reviews

A delicious and visually stunning Blackberry Layer Cake featuring moist vanilla cake layers, fresh blackberry filling, and a silky blackberry-flavored buttercream frosting. Perfect for celebrations or any special occasion, this cake combines fruity freshness with classic vanilla sweetness for a delightful dessert experience.

Ingredients

For the Vanilla Cake

  • 3 cups all-purpose flour
  • 1 tablespoon baking powder
  • ½ teaspoon salt
  • ½ cup unsalted butter, softened
  • ½ cup vegetable oil
  • 1 ½ cups granulated sugar
  • 4 large eggs, at room temperature
  • 1 tablespoon vanilla extract
  • 1 ¼ cups milk

For the Blackberry Filling

  • 2 ½ cups blackberries
  • 3 tablespoons granulated sugar
  • 2 tablespoons lemon juice

For the Blackberry Buttercream

  • 2 cups unsalted butter, softened
  • 4 cups powdered sugar
  • 2 tablespoons blackberry filling

Instructions

  1. Preheat and Prepare Pans: Preheat the oven to 350° F. Prepare four 8-inch round cake pans by lining the bottoms with parchment paper circles and spraying the sides with cooking spray to prevent sticking.
  2. Mix Dry Ingredients: In a medium mixing bowl, whisk together the all-purpose flour, baking powder, and salt until well combined. Set this mixture aside for later use.
  3. Cream Butter, Oil, and Sugar: In a large mixing bowl, beat the softened unsalted butter, vegetable oil, and granulated sugar together until the mixture becomes smooth, creamy, and fluffy, indicating good aeration of the batter.
  4. Add Eggs and Vanilla: Add eggs one at a time to the butter mixture, beating well after each addition to incorporate fully. Then, add the vanilla extract and mix until combined.
  5. Combine Wet and Dry Mixtures: Alternately add the dry flour mixture and milk to the wet ingredients, starting and ending with the dry mixture. Mix gently until just combined and the batter is smooth; avoid overmixing to maintain cake tenderness.
  6. Divide Batter and Bake: Evenly divide the cake batter into the prepared cake pans. Place them in the oven and bake for 20-25 minutes or until a toothpick inserted into the center of the cakes comes out clean.
  7. Cool Cakes: Remove the cakes from the oven and allow them to cool completely in the pans for about 10 minutes before transferring them to a wire rack. Let them cool fully before assembling.
  8. Make Blackberry Filling: In a medium bowl, combine the fresh blackberries, granulated sugar, and lemon juice. Gently mash the blackberries to release juices but keep some whole pieces. Set aside to let the flavors meld.
  9. Prepare Blackberry Buttercream: In a large bowl, beat the softened butter until creamy. Gradually add the powdered sugar, beating until the frosting is smooth and fluffy. Mix in two tablespoons of the prepared blackberry filling to incorporate the fruit flavor and a slight purple tint.
  10. Assemble the Cake: Place one cake layer on a serving plate and spread a layer of blackberry filling evenly over it. Add a generous layer of blackberry buttercream on top. Repeat layering with remaining cakes, blackberry filling, and buttercream. Finish by covering the entire cake with the remaining buttercream and smooth the sides and top as desired.
  11. Chill and Serve: For best results, chill the assembled cake for at least one hour to allow the flavors to meld and the frosting to set before slicing and serving.

Notes

  • Ensure all ingredients, especially eggs and butter, are at room temperature for better mixing and texture.
  • Blackberry filling can be adjusted in sweetness or consistency by adding more or less sugar or lemon juice to taste.
  • The cake layers can be baked a day in advance and stored wrapped tightly to maintain freshness.
  • For a smoother buttercream, sift the powdered sugar before beating.
  • If fresh blackberries are not available, frozen blackberries can be used but should be thawed and drained well.
  • To enhance the blackberry flavor, consider folding in a small amount of fresh blackberry puree into the buttercream.

Find it online: https://alinacooks.com/blackberry-layer-cake-recipe/