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Blackberry Cake Swirl

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This Blackberry Cake Swirl is a soft, buttery vanilla cake rippled with tangy-sweet blackberry compote. Each slice is bursting with vibrant berry flavor and delicate texture — a simple yet elegant bake perfect for tea time, brunch, or a fruity dessert treat.

Ingredients

For the Cake:

  • 1 1/2 cups all-purpose flour

  • 1/2 cup sugar

  • 1 tsp baking powder

  • 1/2 tsp baking soda

  • 1/4 tsp salt

  • 1/2 cup unsalted butter, softened

  • 2 eggs

  • 1/2 cup milk

  • 1 tsp vanilla extract

For the Blackberry Swirl:

  • 1 cup blackberries (fresh or frozen)

  • 2 tbsp sugar

  • 1 tsp lemon juice

  • 1 tsp cornstarch

Instructions

  1. Preheat Oven:
    Preheat to 350°F (175°C). Grease and flour an 8×8 inch baking pan.

  2. Make the Blackberry Swirl:
    In a small saucepan, cook blackberries, sugar, and lemon juice over medium heat until softened (5–7 minutes).
    Stir in cornstarch and cook until thickened. Let cool.

  3. Prepare the Cake Batter:
    In a large bowl, cream butter and sugar until fluffy. Add eggs one at a time, beating well after each. Stir in vanilla.
    In a separate bowl, mix flour, baking powder, baking soda, and salt.
    Alternate adding dry ingredients and milk to the butter mixture until smooth.

  4. Assemble the Cake:
    Pour batter into the prepared pan. Drop spoonfuls of blackberry compote on top and swirl gently with a knife.

  5. Bake:
    Bake for 30–35 minutes, or until golden and a toothpick inserted in the center comes out clean.

  6. Cool & Serve:
    Let cool in the pan. Optionally dust with powdered sugar or drizzle with glaze before serving.

Notes

  • You can substitute raspberries or blueberries for the blackberry swirl.

  • Add lemon zest to the batter for extra brightness.

  • Serve slightly warm with whipped cream or vanilla ice cream for a decadent dessert.