Lemon Blueberry Crumb Coffee Cake

Name: Lemon Blueberry Crumb Coffee Cake
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Yield: 8 servings
Ingredients: 1 ½ cups all-purpose flour; 1 cup granulated sugar; ½ cup unsalted butter, softened; 2 large eggs; 1 teaspoon vanilla extract; 1 teaspoon baking powder; ½ teaspoon baking soda; ¼ teaspoon salt; ½ cup buttermilk; Zest of 1 lemon; 1 cup fresh blueberries; ⅓ cup all-purpose flour; ⅓ cup brown sugar, packed; ¼ cup unsalted butter, melted; ½ teaspoon ground cinnamon

Highlighted under: Zachte ideeën

I absolutely love this Lemon Blueberry Crumb Coffee Cake! It's the perfect blend of tart lemon and sweet, juicy blueberries, creating a delightful harmony of flavors. Each bite is topped off with a crunchy cinnamon crumble that adds texture and warmth. What I find most rewarding about this recipe is how simple it is to make yet how impressive it looks when served. Whether it's for breakfast, brunch, or dessert, this cake never fails to impress my family and friends. It’s truly one of my favorite treats to bake!

Created by

Kendra Lawson

Last updated on 2026-02-16T04:41:36.010Z

Baking this Lemon Blueberry Crumb Coffee Cake has become a cherished tradition in my home. I still remember the first time I combined lemon zest with fresh blueberries; the aroma that filled the kitchen was simply irresistible. I experiment with different fruits sometimes, but I always come back to this classic combination because it’s so refreshing!

One tip I've learned is to toss the blueberries in a little flour before adding them to the batter. This helps prevent them from sinking to the bottom during baking, ensuring a beautiful presentation. The crumb topping, with its luscious blend of butter and cinnamon, is an absolute must and provides a sweet contrast to the tartness of the cake.

Why You'll Love This Recipe

Bright, tangy flavor from fresh lemons
Bursting with juicy blueberries in every bite
The crunchy crumb topping adds perfect texture

The Role of Lemon and Blueberries

Lemon and blueberries are the stars of this coffee cake, each bringing distinct qualities to the table. The lemon not only provides a bright, tangy flavor, but it also enhances the overall sweetness of the cake, creating a sophisticated balance. When selecting lemons, look for ones that are firm and vibrant; this ensures maximum juice and zest. The blueberry burst adds a juicy, sweet contrast, so it's essential to use fresh, ripe blueberries. Frozen blueberries can work, but be mindful that they may release more moisture, potentially altering the cake's texture.

Incorporating lemon zest is crucial, as it adds aromatic oils that elevate the cake's flavor profile. Be sure to avoid the white pith when zesting since it can introduce bitterness. For an even more prominent lemon flavor, consider adding a touch of lemon juice to the batter, which will deepen that citrus note beautifully without overpowering the fruit itself.

Perfecting the Crumb Topping

The crumb topping is what sets this coffee cake apart, giving it an inviting, crunchy texture. Achieving the right consistency for the crumble is key; it should be chunky enough to hold its shape without clumping too tightly. If you prefer a little extra crunch, consider adding chopped nuts like pecans or walnuts to the topping, which will complement the cake's flavors brilliantly.

When preparing the crumb topping, ensure your butter is melted but not too hot. This helps in achieving the right texture — if it's too warm, the topping can become greasy. Mix the ingredients until just combined; overmixing can lead to a dense crumble. Feel free to experiment with spices like nutmeg or swapping out cinnamon for a more nuanced flavor in the crumble.

Ingredients

For the Cake

1 ½ cups all-purpose flour
1 cup granulated sugar
½ cup unsalted butter, softened
2 large eggs
1 teaspoon vanilla extract
1 teaspoon baking powder
½ teaspoon baking soda
¼ teaspoon salt
½ cup buttermilk
Zest of 1 lemon
1 cup fresh blueberries

For the Crumb Topping

⅓ cup all-purpose flour
⅓ cup brown sugar, packed
¼ cup unsalted butter, melted
½ teaspoon ground cinnamon

Instructions

Preheat the Oven

Preheat your oven to 350°F (175°C) and grease a 9-inch round cake pan.

Prepare the Crumb Topping

In a bowl, mix together the flour, brown sugar, melted butter, and cinnamon until crumbly. Set aside.

Make the Cake Batter

In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy. Add the eggs, one at a time, mixing well after each addition. Stir in the vanilla, lemon zest, and buttermilk.

Combine Dry Ingredients

In another bowl, whisk together the flour, baking powder, baking soda, and salt. Gradually add this to the wet ingredients, mixing until just combined.

Fold in the Blueberries

Gently fold in the blueberries, being careful not to overmix. Pour the batter into the prepared pan.

Add Crumb Topping

Sprinkle the crumb topping evenly over the batter.

Bake

Bake in the preheated oven for 30 minutes or until a toothpick inserted in the center comes out clean.

Cool and Serve

Allow the cake to cool in the pan for 10 minutes before transferring it to a wire rack. Serve warm or at room temperature.

Pro Tips

To enhance the lemon flavor, consider adding a tablespoon of fresh lemon juice to the batter. If you prefer, you can use frozen blueberries
just toss them in flour first to prevent them from bleeding into the batter.

Make-Ahead and Storage

This Lemon Blueberry Crumb Coffee Cake is an excellent make-ahead option! You can prepare the batter and store it in the fridge for up to 24 hours before baking, which can help meld the flavors of the lemon and blueberries. Just be sure to let the batter sit at room temperature for about 30 minutes before baking so it rises correctly.

To store leftovers, wrap the cooled cake in plastic wrap or place it in an airtight container. It will stay fresh at room temperature for up to 3 days or in the refrigerator for about a week. If you want to freeze it, slice the cake first, then wrap individual pieces tightly and freeze for up to 3 months. To reheat, thaw slices overnight in the fridge and warm them slightly in the oven or microwave.

Variations to Try

While the classic lemon and blueberry combination is hard to beat, you can get creative with this recipe! Try adding finely chopped strawberries or raspberries for a mixed berry version. You can also substitute some of the all-purpose flour with whole wheat flour for added nutrition and nuttiness. If you’re looking for a different flavor profile, consider using almond extract instead of vanilla to enhance the cake’s flavor.

For a gluten-free version, replace the all-purpose flour with a 1:1 gluten-free baking blend. Just keep an eye on the texture while combining the wet and dry ingredients, as gluten-free flours can behave differently.

Questions About Recipes

→ Can I use different fruits?

Absolutely! While blueberries are traditional, you can experiment with raspberries, blackberries, or even diced peaches.

→ How do I store leftovers?

Store any leftovers in an airtight container at room temperature for up to 3 days, or in the refrigerator for up to a week.

→ Can I freeze this coffee cake?

Yes! Wrap the cooled cake tightly in plastic wrap and then foil, and it can be frozen for up to 3 months. Thaw in the fridge overnight before serving.

→ What can I serve with this coffee cake?

This coffee cake pairs wonderfully with a cup of coffee or tea, and you can also serve it with a dollop of whipped cream for an extra treat!