Blueberry Crumble Cake with Vanilla Glaze

This Blueberry Crumble Cake is a perfect balance of sweet, tart blueberries, soft cake, and a buttery crumb topping. Finished with a light vanilla glaze, this dessert is a treat for any occasion. Whether you’re serving it at a brunch or enjoying it as an afternoon snack, this cake will delight with every bite. It’s easy to make, incredibly flavorful, and guaranteed to impress!

Full Recipe: 

Ingredients

  • For the Cake:

    • 1 ¾ cups all-purpose flour

    • 1 tsp baking powder

    • ¼ tsp baking soda

    • ¼ tsp fine sea salt

    • ½ cup unsalted butter, softened

    • ⅔ cup granulated sugar

    • 1 egg

    • 1 egg yolk

    • 1 tsp pure vanilla extract

    • ½ cup buttermilk

    • 1 ¼ cups fresh blueberries

  • For the Crumb Topping:

    • ½ cup all-purpose flour

    • ½ cup light brown sugar

    • 4 tbsp unsalted butter, softened

  • For the Vanilla Glaze:

    • ¾ cup powdered sugar

    • 1 tbsp milk

    • ½ tsp vanilla extract

Directions

  1. Preheat the oven to 350°F (175°C) and grease an 8-inch square baking pan.

  2. In a medium bowl, whisk flour, baking powder, baking soda, and salt.

  3. In another bowl, beat butter and sugar until light and fluffy. Add egg, egg yolk, and vanilla, mixing well.

  4. Add the flour mixture in three additions, alternating with buttermilk. Do not overmix.

  5. Fold in the blueberries gently.

  6. Spread the batter evenly into the prepared pan.

  7. For the crumb topping, mix flour, brown sugar, and butter with a fork until crumbly. Sprinkle over the batter.

  8. Bake for 40–45 minutes or until a toothpick inserted comes out clean.

  9. Let the cake cool before drizzling with vanilla glaze.

Nutrients

  • Calories: 310 kcal per serving

  • Servings: 9 slices

The Perfect Balance of Sweet and Tart

What sets this cake apart is the perfect balance of sweet and tart flavors. The blueberries are the star of the show, offering a burst of freshness and a subtle tartness that complements the sweetness of the cake. Blueberries are known for their vibrant color and juicy interior, which not only enhances the flavor of the cake but also gives it a beautiful look. When baked, the blueberries burst slightly, releasing their juices and infusing the cake with a touch of fruity goodness.

The combination of tart blueberries with the soft, slightly sweet cake batter creates a perfect contrast that makes every bite a delight. The slight acidity from the blueberries balances the sweetness from the cake, making it flavorful without being overly sugary. Whether you’re a fan of fruity desserts or not, the balance of sweetness and tartness in this cake will win you over.

The Richness of the Cake Base

The cake itself serves as a soft and tender base for the blueberry filling and crumble topping. Made with a blend of butter, sugar, eggs, and buttermilk, the cake has a rich, tender crumb that is moist yet light. The addition of buttermilk enhances the flavor, contributing to the cake’s tenderness and adding a subtle tanginess that complements the blueberries.

The buttermilk helps to activate the baking powder and soda, giving the cake its lightness and helping it rise perfectly while still maintaining a rich, moist texture. The use of both a whole egg and an egg yolk ensures the cake has enough richness and structure while still being soft. The vanilla extract adds a warm, aromatic depth that pairs beautifully with the sweetness of the blueberries, creating a flavor profile that is both simple and sophisticated.

The Crumb Topping: A Buttery Crunch

The crumb topping is what takes this blueberry cake from ordinary to extraordinary. Made from a blend of flour, brown sugar, and butter, the topping provides a deliciously buttery, sweet crunch that contrasts beautifully with the soft, moist cake below. The brown sugar adds a touch of molasses, infusing the topping with a rich caramel flavor that enhances the overall dessert.

When the cake bakes, the crumb topping forms a golden crust that provides a satisfying texture, giving each bite a bit of crunch. This topping is the perfect finishing touch, adding depth and texture to the cake, and it’s what turns a simple fruit cake into a decadent treat.

A Light Vanilla Glaze for the Perfect Finish

The light vanilla glaze that is drizzled over the top of the cake adds just the right amount of sweetness without overpowering the flavors of the blueberries and the crumb topping. Made with powdered sugar, milk, and vanilla extract, the glaze has a silky-smooth consistency that complements the cake’s soft texture and buttery topping.

This glaze adds a glossy finish to the cake, giving it a beautiful, polished look while enhancing the overall sweetness of the dessert. The vanilla flavor in the glaze echoes the vanilla extract used in the cake, creating a cohesive and harmonious flavor profile. Drizzling the glaze over the cooled cake provides a subtle sweetness that rounds out the richness of the crumb topping and the tartness of the blueberries.

The Simplicity of Preparation

One of the best things about the Blueberry Crumble Cake is how simple it is to make. Despite its delicious complexity, this cake doesn’t require any complicated techniques or hard-to-find ingredients. The steps are straightforward, and the batter comes together quickly, making it an ideal recipe for those who want to bake something special without spending hours in the kitchen.

You don’t need to worry about intricate mixing methods or time-consuming steps. The dry ingredients are simply whisked together, and the wet ingredients are mixed before being combined. The blueberries are folded into the batter gently to prevent them from bursting and losing their shape. The crumb topping is easily prepared with a fork or pastry cutter and sprinkled over the batter before baking.

Serving Suggestions: Perfect for Any Occasion

Blueberry crumble cake is versatile and can be served for many different occasions. It makes a wonderful addition to a brunch spread, where it pairs beautifully with coffee, tea, or fresh fruit. Its slightly sweet, fruity flavor makes it an excellent choice for a light dessert, especially when served alongside a refreshing beverage.

It also makes an ideal afternoon snack or a treat to bring to a family gathering or potluck. Whether you’re hosting a casual get-together or a more formal event, this cake is sure to impress with its combination of flavor, texture, and visual appeal. The slightly crisp edges of the cake combined with the soft, moist interior make it a satisfying treat for all ages.

For a more decadent option, serve the cake with a scoop of vanilla ice cream or a dollop of whipped cream. The cold creaminess of the ice cream perfectly balances the warm, fruity flavors of the cake and enhances its richness. If you’re feeling creative, you could also serve the cake with a side of fresh berries or a berry compote for an extra burst of flavor.

Storing and Enjoying Leftovers

If you’re lucky enough to have leftovers, blueberry crumble cake stores well and can be enjoyed for several days. Simply cover the cake with plastic wrap or store it in an airtight container to keep it fresh. The cake will remain moist, and the flavors will continue to develop over time.

To store the cake for longer periods, you can freeze individual slices or the entire cake. Wrap the cake tightly in plastic wrap and foil, or place it in an airtight container before freezing. To enjoy, simply thaw at room temperature or warm in the oven for a few minutes to restore its freshly-baked texture.

Healthier Options and Variations

While this blueberry crumble cake is already a delicious treat, there are a few variations you can make to suit dietary preferences or make it a bit healthier. For a lighter option, you can substitute some of the butter in the cake with unsweetened applesauce or Greek yogurt, which will reduce the overall fat content while keeping the cake moist and tender. You can also experiment with using whole wheat flour or a gluten-free flour blend to make the cake suitable for those with dietary restrictions.

For a dairy-free version, you can use non-dairy milk (such as almond or oat milk) and substitute coconut cream for the heavy cream in the glaze. Additionally, if you prefer a less sweet cake, you can reduce the amount of sugar in both the batter and the topping, adjusting it to suit your taste.

Conclusion

In conclusion, the Blueberry Crumble Cake is a delightful dessert that strikes the perfect balance between sweet, tart, and buttery flavors. The soft, moist cake, paired with the crunchy crumble topping and the creamy vanilla glaze, creates a satisfying and indulgent treat. Whether you’re serving it for brunch, as a snack, or at a special occasion, this cake is guaranteed to impress. The simplicity of its preparation, combined with the rich, flavorful layers, makes it a go-to recipe for any occasion. This blueberry crumble cake is a must-try for anyone who loves fruit-based desserts, and it’s sure to become a favorite in your collection of sweet treats.

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