Blueberry Streusel Bundt Cake

Ingredients

For the Cake:
  • 2 ½ cups all-purpose flour
  • 2 tsp baking powder
  • ½ tsp baking soda
  • ½ tsp salt
  • 1 cup unsalted butter, softened
  • 1 ¾ cups granulated sugar
  • 4 large eggs
  • 1 tbsp vanilla extract
  • 1 cup sour cream or Greek yogurt
  • 2 cups fresh or frozen blueberries (tossed in 1 tbsp flour)
For the Streusel Topping:
  • ½ cup all-purpose flour
  • ¼ cup brown sugar
  • ¼ cup granulated sugar
  • 1 tsp cinnamon
  • ¼ cup unsalted butter, melted
For the Glaze:
  • 1 cup powdered sugar
  • 2-3 tbsp milk or lemon juice
  • ½ tsp vanilla extract

Instructions

  1. Preheat & Prep:
    • Preheat oven to 350°F (175°C).
    • Grease and flour a 10-cup bundt pan.
  2. Make the Streusel:
    • In a bowl, mix flour, sugars, and cinnamon.
    • Stir in melted butter until crumbly. Set aside.
  3. Make the Cake Batter:
    • In a medium bowl, whisk flour, baking powder, baking soda, and salt.
    • In a large bowl, beat butter and sugar until fluffy (2-3 mins).
    • Add eggs, one at a time, beating well.
    • Mix in vanilla extract and sour cream.
    • Gradually add dry ingredients, mixing until just combined.
  4. Assemble:
    • Pour half of the batter into the bundt pan.
    • Sprinkle half of the streusel and half of the blueberries.
    • Add the remaining batter, then top with the rest of the streusel and blueberries.
  5. Bake:
    • Bake for 50-60 minutes, or until a toothpick inserted comes out clean.
    • Cool in the pan for 15 minutes, then transfer to a wire rack.
  6. Make the Glaze:
    • Whisk powdered sugar, vanilla, and milk (or lemon juice) until smooth.
    • Drizzle over the cooled cake.

Tips & Variations:

✅ Use lemon zest in the batter for a citrusy kick.
✅ Swap blueberries for raspberries or blackberries.
✅ Add chopped nuts to the streusel for extra crunch.

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