Get ready to delight your taste buds with a scrumptious Blueberry Streusel Coffee Cake! This simple recipe packs fresh flavors and an easy-to-make streusel topping. Whether you’re hosting a brunch or enjoying a cozy afternoon treat, this cake will quickly become a favorite. In this post, I’ll guide you through each step, share helpful tips, and explore tasty variations. Let’s dive in and bake something special together!
Why I Love This Recipe
- Deliciously Moist: This coffee cake is incredibly moist thanks to the sour cream, making every bite rich and flavorful.
- Perfect Balance of Sweetness: The combination of blueberries and brown sugar streusel offers a delightful balance of sweet and tart flavors.
- Easy to Make: With straightforward steps and common ingredients, this recipe is perfect for bakers of all skill levels.
- Versatile Treat: This cake serves beautifully as a breakfast item, a snack, or a dessert, making it a versatile addition to any table.
Ingredients
List of Main Ingredients
To make the Blueberry Streusel Coffee Cake, you will need:
- 2 cups all-purpose flour
- 1 tablespoon baking powder
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
- 1/2 cup unsalted butter, softened
- 1 cup granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1 cup sour cream
- 1 1/2 cups fresh blueberries
Ingredients for Streusel Topping
The streusel topping adds a sweet crunch. For it, gather:
- 1/3 cup brown sugar, packed
- 1/3 cup all-purpose flour
- 1 teaspoon ground cinnamon
- 3 tablespoons unsalted butter, melted
Optional Ingredient Substitutions
You can swap some ingredients if needed:
- Use whole wheat flour for a nuttier taste.
- Greek yogurt can replace sour cream for added protein.
- If you want a dairy-free option, use coconut oil instead of butter.
- Maple syrup can stand in for granulated sugar for a unique flavor.
These options help make the recipe fit your needs while keeping it delicious.

Step-by-Step Instructions
Prepping the Cake Batter
To start, preheat your oven to 350°F (175°C). Grease and flour a 9-inch round cake pan. You can also use parchment paper for easy removal. In a mixing bowl, whisk 2 cups of all-purpose flour, 1 tablespoon of baking powder, 1/2 teaspoon of baking soda, and 1/4 teaspoon of salt. Set this aside.
In a larger bowl, cream together 1/2 cup of softened butter and 1 cup of granulated sugar. Mix until it becomes light and fluffy, which takes about 3 to 4 minutes. Add 2 large eggs, one at a time. Mix well after each egg. Stir in 1 teaspoon of vanilla extract. Then gradually add your dry flour mixture and 1 cup of sour cream. Start and end with the flour mixture. Mix until just combined. Gently fold in 1 1/2 cups of fresh blueberries. Be careful not to break them.
Making the Streusel Topping
Now, let’s make the streusel topping. In a small bowl, mix 1/3 cup of packed brown sugar, 1/3 cup of all-purpose flour, and 1 teaspoon of ground cinnamon. Stir in 3 tablespoons of melted butter. Mix until the mixture is crumbly. This gives the cake a nice texture.
Assembling and Baking the Cake
Pour half of the cake batter into your prepared pan. Spread it evenly. Next, sprinkle half of the streusel topping over the batter. Layer the remaining batter on top. Finish by adding the rest of the streusel topping. Bake in your preheated oven for 50 to 60 minutes. Check if it’s done by inserting a toothpick into the center. If it comes out clean, your cake is ready. Let it cool in the pan for 10 minutes. Then transfer it to a wire rack to cool completely. Enjoy your delicious Blueberry Streusel Coffee Cake!
Tips & Tricks
How to Achieve the Perfect Texture
To get the perfect texture, start with room temperature butter. It mixes well with sugar, making it light and fluffy. Use fresh blueberries for a juicy burst in every bite. Don’t overmix the batter; mix just until combined. This helps keep your cake soft and moist. Lastly, make sure to measure your flour correctly. Too much flour can make the cake dense.
Common Mistakes to Avoid
One common mistake is using cold ingredients. Cold butter and eggs can ruin the texture. Always remember to soften your butter and bring your eggs to room temperature. Another mistake is overfolding the batter. This can break the blueberries and make the cake tough. Be gentle when folding them in. Finally, don’t skip the parchment paper. It helps with easy removal from the pan.
Best Practices for Folding in Blueberries
When adding blueberries, use a spatula or wooden spoon. This helps keep them whole. Gently fold the blueberries into the batter. Start from the bottom and lift the batter over the berries. Avoid stirring too much; this can break them. If your blueberries are frozen, toss them in a bit of flour first. This keeps them from sinking to the bottom while baking.
Pro Tips
- Use Fresh Blueberries: For the best flavor and texture, make sure to use fresh blueberries. If using frozen, add them directly to the batter without thawing to prevent them from bleeding into the cake.
- Room Temperature Ingredients: Ensure that your butter, eggs, and sour cream are at room temperature before mixing. This helps create a smoother batter and a more even bake.
- Don't Overmix: When combining the wet and dry ingredients, mix just until incorporated. Overmixing can lead to a dense cake, so be gentle when folding in the blueberries as well.
- Cool Before Serving: Let the coffee cake cool in the pan for about 10 minutes before transferring it to a wire rack. This helps set the structure and prevents it from crumbling when sliced.
Variations
Adding Other Fruits
You can easily change the flavor of your coffee cake. Instead of blueberries, try other fruits. Raspberries, strawberries, or chopped apples work great. Use the same amount of fruit. This gives you new tastes while keeping the cake moist and tasty. Mix and match fruits to find your favorite combo.
Gluten-Free Options
If you need a gluten-free version, swap the all-purpose flour. Use a gluten-free flour blend instead. Make sure it has a good binding agent. This means your cake will hold together well. You might want to add a little extra baking powder for lift. This way, you get a fluffy cake without gluten.
Dairy-Free Substitutes
For a dairy-free option, replace the butter and sour cream. Use coconut oil or vegan butter for the butter. Almond milk or soy yogurt works well in place of sour cream. These swaps keep the cake rich and moist. Enjoy your coffee cake without any dairy.
Storage Info
How to Store Blueberry Streusel Coffee Cake
To keep your blueberry streusel coffee cake fresh, wrap it in plastic wrap. You can also use an airtight container. Store it at room temperature for up to three days. If you want it to last longer, consider freezing it.
Freezing Instructions
To freeze the cake, first let it cool completely. Then slice the cake if you prefer individual pieces. Wrap each slice in plastic wrap. Place the wrapped slices in a freezer bag or container. The cake can stay frozen for up to three months.
Best Practices for Reheating
When you want to enjoy the cake again, here's how to reheat it. If it's frozen, thaw it overnight in the fridge. For reheating, place a slice in the microwave for about 20-30 seconds. You can also warm it in an oven at 350°F (175°C) for 10-15 minutes. This helps keep the cake moist and tasty. Enjoy it warm with a cup of coffee!
FAQs
Can I use frozen blueberries?
Yes, you can use frozen blueberries. Just keep them frozen until you're ready to mix them in. This helps them hold their shape better. They may bleed a bit, but that adds a nice color. Frozen blueberries are great when fresh ones aren’t available.
How do I know when the coffee cake is done?
You can tell if the coffee cake is done by using a toothpick. Insert it into the center of the cake. If it comes out clean, the cake is ready. If it has batter on it, bake a bit longer. The top should be golden brown, too.
Can I make this ahead of time?
Yes, you can make the cake ahead of time. Bake it and let it cool completely. Then store it in an airtight container. It stays fresh for a few days at room temperature. You can also freeze it for longer storage. Just thaw it when you're ready to serve.
This blog post covered key ingredients for making a blueberry streusel coffee cake. You learned how to prep the batter, make the streusel, and bake it. We shared tips to get the right texture and avoid mistakes. You also saw how to change the recipe for your tastes, like adding fruits or making it gluten-free. Finally, we talked about storing and reheating leftovers. Enjoy baking this treat, and feel free to experiment with your favorite flavors. It’s a fun way to create something tasty!