There’s something comforting about a homemade blueberry coffee cake fresh from the oven. I love how the tender cake, juicy blueberries, and buttery crumb topping come together to create a dessert that works just as well for breakfast as it does for an afternoon treat. This recipe delivers a moist, flavorful cake with a perfect balance of sweetness and fruit in every bite.
Why You’ll Love This Recipe
I love this recipe because it’s simple to make and uses basic pantry ingredients. The blueberries add bursts of fresh flavor throughout the cake, while the crumb topping creates a delicious texture contrast. I also enjoy how versatile it is, whether I serve it with coffee in the morning or as a dessert after dinner. The cake stays moist for days, making it a great make-ahead option for gatherings and family breakfasts.
Ingredients
(Here’s a tip: Check out the full list of ingredients and measurements in the recipe card below.)
For the Cake
2 cups all-purpose flour
1 teaspoon baking powder
½ teaspoon baking soda
¼ teaspoon salt
½ cup unsalted butter, softened
¾ cup granulated sugar
2 large eggs
1 teaspoon vanilla extract
1 cup sour cream
2 cups fresh or frozen blueberries
For the Crumb Topping
½ cup all-purpose flour
⅓ cup brown sugar
¼ teaspoon ground cinnamon
¼ cup unsalted butter, melted
Directions
I preheat the oven to 350°F (175°C) and grease a 9-inch square baking pan.
In a medium bowl, I whisk together the flour, baking powder, baking soda, and salt.
In a large mixing bowl, I cream the softened butter and granulated sugar until light and fluffy.
I beat in the eggs one at a time, then add the vanilla extract.
I mix in the sour cream until smooth.
I gradually add the dry ingredients and stir until just combined.
I gently fold in the blueberries.
I spread the batter evenly into the prepared baking pan.
For the topping, I combine the flour, brown sugar, cinnamon, and melted butter until crumbly.
I sprinkle the crumb mixture evenly over the batter.
I bake for 40 to 45 minutes, or until a toothpick inserted in the center comes out clean.
I let the cake cool before slicing and serving.
Servings and Timing
Servings: 9 slices
Prep Time: 15 minutes
Cook Time: 45 minutes
Total Time: 1 hour
Variations
I sometimes add lemon zest to the batter for a bright citrus flavor that pairs beautifully with blueberries. For extra crunch, I like mixing chopped pecans or walnuts into the crumb topping. When I want a richer cake, I replace part of the sour cream with cream cheese. Mixed berries such as raspberries and blackberries also work wonderfully in place of some of the blueberries.
storage/reheating
I store leftover coffee cake in an airtight container at room temperature for up to 2 days. For longer storage, I keep it in the refrigerator for up to 5 days. When I want to enjoy a warm slice, I reheat it in the microwave for about 15 to 20 seconds. I can also freeze individual slices for up to 3 months and thaw them overnight in the refrigerator before serving.
FAQs
Can I use frozen blueberries?
Yes, I often use frozen blueberries when fresh ones aren’t available. I add them directly to the batter without thawing to prevent excess moisture.
Why is it called coffee cake if there’s no coffee in it?
Coffee cake is traditionally served alongside coffee rather than containing coffee as an ingredient.
Can I make this cake ahead of time?
Yes, I frequently bake it a day in advance. The flavor and texture remain excellent the next day.
What can I substitute for sour cream?
I can use plain Greek yogurt in equal amounts as a substitute for sour cream.
How do I know when the cake is done?
I insert a toothpick into the center of the cake. If it comes out clean or with a few moist crumbs, the cake is ready.
Conclusion
I love making this blueberry coffee cake because it combines a soft, moist crumb with sweet blueberries and a buttery topping that everyone enjoys. It’s an easy recipe that feels special enough for guests while remaining simple enough for everyday baking. Whether I serve it for breakfast, brunch, or dessert, it always disappears quickly.
