Blueberry Coffee Cake
Blueberry coffee cake is a delightful blend of fluffy cake and sweet, juicy blueberries, creating an irresistible treat that’s perfect for any time of the day. Imagine cutting into a warm slice, the smell of cinnamon and fresh blueberries wafting through the air, inviting you to take that first bite. This cake is not just a dessert; it’s an experience. It boasts a tender crumb that melts in your mouth, while the bright burst of blueberries adds a fresh, fruity flavor.
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I still remember the first time I savored a slice of blueberry coffee cake at a friend’s gathering. The way it paired with a steaming cup of coffee was simply fantastic. Since then, I’ve made my own version that’s both simple and utterly satisfying. Whether it’s breakfast, an afternoon snack, or a sweet treat to impress guests, this recipe ticks all the boxes. Plus, you can whip it up in just about an hour, making it a fantastic choice for both spontaneous cravings and planned gatherings. Let’s dive into making this comforting delight!
Why You’ll Love This Recipe
- Simple & Quick: Just 20 minutes of prep and about an hour in the oven get you a treat that’s ready to share.
- Irresistible Flavor: The combination of sweet blueberries and warm cinnamon creates a mouthwatering taste experience.
- Eye-Catching Appeal: The beautiful blue bursts in the cake make for an Instagram-worthy dessert that everyone will admire.
- Flexible Serving: Perfect for breakfast, snack, or dessert — this cake fits any occasion and appeals to both kids and adults.
- Diet-Friendly Options: Feel free to experiment with gluten-free flour or non-dairy substitutes to cater to dietary restrictions.
Ingredients You’ll Need
- 3 cups (510 g) fresh blueberries: The star of the show, these juicy berries add freshness. You can substitute with frozen blueberries, but ensure they’re thawed and drained.
- 3/4 cup (168 g) unsalted butter, softened: This enriches the cake and ensures moisture. Make sure it’s softened to room temperature for easy mixing.
- 1 cup (200 g) granulated white sugar: For sweetness and to help with the cake’s texture.
- 1 cup (220 g) light brown sugar, packed: This adds a deep, caramel-like flavor that enhances the overall taste.
- 3 cups (375 g) all-purpose flour, spooned and leveled: Provides structure; if you’re gluten-free, you could use a 1:1 gluten-free blend.
- 3/4 tsp salt: Balances the sweetness and enhances flavor.
- 2 tbsp (28 g) unsalted butter, softened: This will be used for the crumb topping, adding richness and helping it brown nicely.
- 1/2 cup (110 g) light brown sugar, packed: Another layer for our crumb topping; it gives it a lovely texture and flavor.
- 2 tsp cinnamon: A warm spice that perfectly complements the blueberries.
- 1 tsp baking soda: Essential for help in rising the cake.
- 1 cup (240 ml) buttermilk, at room temperature: Adds moisture and a slight tang; if you don’t have any, mix regular milk with a bit of vinegar as a substitute.
- 1 egg, at room temperature: Provides structure and helps bind the ingredients.
- 1 tbsp vanilla: A splash of flavor that rounds everything out.
- 1 cup (130 g) powdered sugar: For the simple glaze that adds that perfect sweet finish.
- 3-5 tsp whole milk: Adjusts the glaze to your desired consistency.
How to Make Blueberry Coffee Cake
- Preheat the Oven: Begin by preheating your oven to 350°F (175°C). This will ensure that your cake bakes evenly.
- Prepare the Baking Pan: Grease a 9×13-inch baking pan and then set it aside. This will keep your cake from sticking.
- Make the Batter: In a large mixing bowl, beat together 3/4 cup unsalted butter and 1 cup granulated sugar until the mixture is light and fluffy.
- Add Brown Sugar: Mix in 1 cup packed light brown sugar, ensuring it’s well combined, adding depth of flavor.
- Incorporate Dry Ingredients: In another bowl, whisk together 3 cups all-purpose flour, 3/4 tsp salt, 2 tsp cinnamon, and 1 tsp baking soda. Gradually add this dry mix to the butter mixture, alternating with 1 cup buttermilk. Begin and end with the flour mixture.
- Add Egg and Vanilla: Beat in 1 egg and 1 tbsp vanilla until everything is just combined. It’s essential not to overmix; a few lumps are okay.
- Fold in Blueberries: Gently fold in the 3 cups of fresh blueberries, being careful to keep them intact.
- Transfer to Pan: Pour the batter into your prepared pan, spreading it out evenly.
- Prepare the Crumb Topping: In a separate bowl, combine 2 tbsp softened butter, 1/2 cup packed light brown sugar, and about 1 cup of flour (you can use what’s left from the earlier measurements). Use your fingers to mix until crumbly, then sprinkle generously over the batter.
- Bake: Place the pan in the oven and bake for about 55 minutes, or until the edges are golden and a toothpick inserted in the center comes out clean.
- Cool the Cake: Once baking is complete, set the pan on a wire rack to cool for 15 minutes.
- Make the Glaze: While the cake cools, whisk together 1 cup powdered sugar and enough whole milk (3-5 tsp) to get a smooth, pourable consistency.
- Drizzle and Serve: Drizzle the glaze over the warm cake, slice it up, and enjoy!
Storing & Reheating
Store your blueberry coffee cake at room temperature for up to 3 days, covered to maintain freshness. For longer storage, transfer it to the refrigerator where it can last for up to a week. If you have leftovers, you can also freeze the cake — simply wrap it well in plastic wrap and aluminum foil, and it will be fine for up to 3 months. To reheat, pop it in the oven at 350°F (175°C) for about 10-15 minutes until warmed through. Just note that the texture might slightly change after freezing, but a quick warm-up will revive its delightful taste.
Chef’s Helpful Tips
- Check Your Oven Temperature: Oven temperatures can vary; an oven thermometer ensures accuracy.
- Room Temperature Ingredients: For the best results, bring your butter, egg, and buttermilk to room temperature before mixing. This helps create a smoother batter.
- Handle Blueberries Gently: When folding the blueberries in, be gentle to prevent them from breaking and turning the batter purple.
- Don’t Overmix: Mix until just combined to keep the cake light and fluffy. Overmixing can lead to a dense texture.
- Experiment with Toppings: Feel free to swap blueberries with other fruits like raspberries or even nuts for added crunch.
Blueberry coffee cake is more than just a delicious dessert; it’s a warm hug in cake form that brings joy any time of the day. With this easy recipe, you can create a delightful treat for gatherings or those quiet moments at home with a cup of coffee. Let your creativity shine by tweaking it to suit your taste. Whether you enjoy it as is or choose to add your twist, your version is sure to become a cherished recipe in your home. Enjoy every slice!

Recipe FAQs
Can I use frozen blueberries instead of fresh?
Absolutely! Frozen blueberries work perfectly in this recipe. Just make sure to thaw and drain them well before adding to the batter to prevent excess moisture.
How do I make it gluten-free?
You can substitute the all-purpose flour with a gluten-free flour blend, making sure it’s a 1:1 replacement. This way, you won’t sacrifice any deliciousness.
Can I add nuts to the coffee cake?
Adding nuts like chopped walnuts or pecans can enhance the flavor and texture. Just fold them in with the blueberries for an extra crunch!
How can I tell when my cake is done baking?
Your blueberry coffee cake is done when golden brown on top and a toothpick inserted into the center comes out clean or with a few moist crumbs attached. If it’s still wet, give it more time in the oven!
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📖 Recipe Card

Blueberry Coffee Cake
- Prep Time: 20 minutes
- Cook Time: 70 minutes
- Total Time: 1 hour 30 minutes
- Yield: 16 servings 1x
- Category: Cakes
- Method: Baking
- Cuisine: American
Description
This Blueberry Coffee Cake offers irresistible flavor and simple prep with fresh blueberries, buttery goodness, and a delightfully sweet streusel topping. Perfect for gatherings or a cozy treat at home!
Ingredients
- 3 cups (510 g) fresh blueberries
- 3/4 cup (168 g) unsalted butter, softened
- 1 cup (200 g) granulated white sugar
- 1 cup (220 g) light brown sugar, packed
- 3 cups (375 g) all-purpose flour, spooned and leveled
- 3/4 tsp salt
- 2 tbsp (28 g) unsalted butter, softened
- 1/2 cup (110 g) light brown sugar, packed
- 2 tsp cinnamon
- 1 tsp baking soda
- 1 cup (240 ml) buttermilk, at room temperature
- 1 egg, at room temperature
- 1 tbsp vanilla
- 1 cup (130 g) powdered sugar
- 3–5 tsp whole milk
Instructions
- Preheat the oven to 350℉ (175 ℃). Grease a 9×9 inch pan and line it with parchment paper.
- In a medium bowl, toss 2 1/4 cups (382 g) of blueberries with 1 tbsp (8 g) of flour. Set aside for later, reserving 3/4 cup (128 g) for topping.
- In a large bowl, cream together the remaining butter, granulated sugar, and brown sugar using an electric mixer.
- Mix in the flour and salt on low speed until the mixture resembles crumbs.
- Remove 3/4 cup (125 g) of the mixture and place it in a small bowl. Add smaller portion of butter, brown sugar, and cinnamon. Mix until large clumps form and set aside.
- Dissolve the baking soda into the buttermilk, ensuring a big enough measuring cup is used due to expansion.
- Mix the buttermilk mixture, egg, and vanilla into the larger mixture on medium speed until combined.
- Gently fold in the larger portion of blueberries into the batter using a rubber spatula.
- Spread the batter evenly in the prepared pan.
- Sprinkle the remaining blueberries on top and add the streusel mixture.
- Bake for 70-80 minutes, or until a toothpick inserted into the center comes out clean.
- Let cool in the pan on a wire rack for 30 minutes, then remove from the pan and cool completely on the rack.
- To prepare the icing, mix the powdered sugar with milk until pourable. Drizzle over the cooled cake and slice into 16 pieces.
Notes
For a flavor twist, add lemon zest to the batter.
Store leftovers in an airtight container to maintain freshness.
This coffee cake can be frozen for up to 3 months; thaw before serving.
Nutrition
- Serving Size: 1 slice
- Calories: 308
- Sugar: 24g
- Sodium: 177mg
- Fat: 15g
- Saturated Fat: 9g
- Unsaturated Fat: 6g
- Trans Fat: 0g
- Carbohydrates: 43g
- Fiber: 1g
- Protein: 3g
- Cholesterol: 53mg
