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Delicious blueberry brioche crumb cake with fresh blueberries on top.

Blueberry Brioche Crumb Cake

A delightful indulgence that combines the rich, buttery texture of brioche with vibrant fresh blueberries, all topped with a delectable crumb topping.
Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 hour
Course Dessert
Cuisine American
Servings 8 slices
Calories 350 kcal

Ingredients
  

Main Ingredients

  • 2.25 cups all-purpose flour This is the foundation, giving the cake its structure while remaining light.
  • 2 tsp baking powder Helps the cake rise and achieve a fluffy texture.
  • 0.5 tsp salt Enhances the flavors and balances the sweetness.
  • 1 cup unsalted butter, softened Adds richness and moisture, providing that brioche feel.
  • 1 cup sugar Sweetens the cake, bringing out the flavors of the blueberries.
  • 4 large eggs Provides structure and creates a tender crumb.
  • 1 tsp vanilla extract Adds a warm, aromatic flavor to the cake.
  • 0.5 cup whole milk Incorporates moisture, resulting in a soft cake.
  • 1.5 cups fresh blueberries Bursting with flavor and juiciness, these are the stars of your cake.

Crumb Topping

  • 0.5 cup all-purpose flour Creates the perfect crumbly texture for the topping.
  • 0.25 cup sugar Sweetens the topping and balances the cake.
  • 0.5 cup unsalted butter, melted Ensures a rich crumb topping.
  • 1 tsp cinnamon Adds a warm spice that complements the blueberries beautifully.

Instructions
 

Crumb Topping

  • Mix the flour, sugar, melted butter, and cinnamon in a bowl until crumbly.
  • Sprinkle the crumb mixture generously over the top of the cake batter.
  • Bake in the preheated oven for 35–40 minutes or until a toothpick inserted comes out clean.
  • Allow the cake to cool in the pan for a few minutes before transferring it to a wire rack to cool completely.

Notes

For added flavor, toss the blueberries in a little flour before folding them into the batter to prevent sinking. Ensure ingredients are at room temperature for a smooth batter. Optional extras include lemon zest or chopped nuts.
Keyword Baking, Blueberry Cake, Brioche Cake, Crumble, Dessert