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Blueberry Streusel Tea Cake

A buttery sour cream blueberry cake layered with cinnamon streusel and baked in a fluted tube pan for a beautiful presentation worthy of tea time or brunch.
Prep Time20 minutes
Cook Time55 minutes
Total Time1 hour 15 minutes
Course: Breakfast, Dessert, Teatime Treat
Cuisine: American
Keyword: afternoon tea cake, blueberry coffee cake, sour cream coffee cake
Servings: 12 servings

Equipment

  • 9 1/2 - 10-inch fluted tube or Bundt pan
  • mixer

Ingredients

Cake

  • 1 cup butter softened
  • 2 cups sugar
  • 2 large eggs room temperature
  • 1 teaspoon vanilla extract
  • 1 3/4 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1/4 teaspoon salt
  • 1 cup sour cream
  • 1 cup fresh blueberries or frozen unsweetened blueberries
  • Streusel Filling
  • 1/2 cup packed brown sugar
  • 1/2 cup chopped pecans optional
  • 1 teaspoon ground cinnamon

For Serving

  • 1 - 2 tablespoons confectioners’ sugar

Instructions

  • Preheat oven to 350 degrees. Grease and flour a fluted tube or Bundt pan.
  • In a large bowl, cream butter and sugar until light and fluffy, 5–7 minutes.
  • Add eggs one at a time, beating well after each addition. Beat in vanilla extract.
  • In a separate bowl, combine flour, baking powder, and salt.
  • Add dry ingredients to creamed mixture alternately with sour cream, beating well after each addition.
  • Fold blueberries gently into batter.
  • In a small bowl, combine brown sugar, pecans if using, and cinnamon.
  • Spoon half the batter into prepared pan. Sprinkle with half the brown sugar mixture.
  • Top with remaining batter and remaining brown sugar mixture.
  • Cut through batter gently with a knife to create a swirl effect.
  • Bake 55–60 minutes or until a toothpick inserted near the center comes out clean.
  • Cool in pan for 10 minutes before removing to a wire rack to cool completely.
  • Dust with confectioners’ sugar just before serving.

Notes

  • If using frozen blueberries, do not thaw before adding to batter to prevent color bleeding.
  • Delicious served slightly warm with tea or coffee.
  • Store covered at room temperature for 2–3 days.

To Freeze the Whole Cake

  • Allow cake to cool completely.
  • Wrap tightly in plastic wrap, followed by a layer of aluminum foil to prevent freezer burn.
  • Freeze for up to 3 months.

To Freeze Individual Slices

  • Slice cake and place pieces on a baking sheet to freeze until firm.
  • Wrap individual slices in plastic wrap and place in a freezer-safe container or zip-top freezer bag.
  • Great for thawing one slice at a time for tea or breakfast.

To Thaw

  • Thaw whole cake overnight in the refrigerator or several hours at room temperature.
  • Individual slices can thaw at room temperature in about 30–60 minutes.

Serving Tip

Dust with fresh confectioners’ sugar after thawing for the prettiest presentation. A quick 10–15 second warm-up in the microwave makes a slice taste freshly baked.