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Golden brown blueberry coffee cake with cinnamon streusel and white glaze drizzle

Moist Blueberry Sour Cream Coffee Cake

Mealoras
A tender, buttery cake loaded with fresh blueberries and a crunchy cinnamon topping.
Print Recipe Pin Recipe
Prep Time 20 minutes
Cook Time 1 hour
Total Time 1 hour 20 minutes
Course Dessert
Servings 10 Slices

Ingredients
  

  • Blueberry Cake Base
  • 1 ½ cups All-Purpose Flour
  • 2 teaspoons Baking Powder
  • 1 teaspoon Fine Sea Salt
  • 1 ½ cups Fresh Blueberries tossed with 1 teaspoon cornstarch
  • ½ cup Unsalted Butter softened
  • ¾ cup Granulated Sugar
  • ¼ cup Light Brown Sugar packed
  • 2 Large Eggs room temperature
  • 2 teaspoons Vanilla Bean Paste or Extract alcohol-free
  • ¾ cup Sour Cream room temperature
  • ¼ cup Whole Milk room temperature
  • 1 cup Extra Blueberries for the top layer
  • Cinnamon Streusel Topping
  • 1 cup All-Purpose Flour
  • ¼ cup Light Brown Sugar packed
  • 2 teaspoons Ground Cinnamon
  • ¼ teaspoon Baking Powder
  • 5 tablespoons Unsalted Butter melted
  • Simple Glaze
  • 1 cup Powdered Sugar
  • 2 –3 tablespoons Whole Milk
  • 1 teaspoon Vanilla Paste or Extract alcohol-free

Instructions
 

  • Preheat the oven and prepare a 9-inch springform pan with grease and parchment paper.
  • Whisk the flour, baking powder, and salt in a bowl, and toss the first portion of berries with cornstarch in a separate bowl.
  • Cream the softened butter with granulated and brown sugars until the mixture is light and fluffy.
  • Incorporate the eggs one at a time, then mix in the vanilla and sour cream until the batter is smooth.
  • Add the dry ingredients and milk on low speed, then gently fold in the starch-coated blueberries by hand.
  • Spread the batter into the pan, top with the extra blueberries, and sprinkle with the prepared cinnamon streusel crumbs.
  • Bake until a toothpick comes out with only a few moist crumbs, then cool on a wire rack.
  • Whisk the glaze ingredients together and drizzle over the cooled cake before slicing.

Notes

• Ensure all dairy and eggs are at room temperature to prevent the batter from curdling.
• Do not over-mix the batter after adding flour to keep the texture light and soft.
• If using frozen berries, do not thaw them before adding to the batter to avoid discoloration.