Blueberry Buckle Coffee Cake gives you a tender cake bursting with fresh blueberries and topped with the best crumbly streusel topping. It's perfect for breakfast, brunch, or dessert!
This recipe was originally written in July 2020 and has been updated with new content, pictures, and a video.
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Blueberry Buckle is one of my all-time favorite cake recipes that my mom has been making for as long as I can remember! This is her go-to recipe for basically any gathering, holiday, brunch, shower, or work party. It's perfect for dessert or breakfast!
This super tender cake is filled to the brim with juicy blueberries that burst with every bite you take. The cinnamon streusel topping is soft and crumbly all at the same time and compliments the blueberries so perfectly. This cake is truly a masterpiece and I hope you make it!
If you are a fan of coffee cake, you MUST try my Crumb Cake Donuts! If you are more of a blueberry lover, then these Blueberry Banana Muffins are the ones for you.
Why You Should Make This Blueberry Buckle Coffee Cake
- This cake is perfect for breakfast, brunch, or dessert. It's super versatile and is great year-round.
- Comes together in under an hour!
- No crazy ingredients are needed to make this cake, it's super simple.
- If anything, make this for the cinnamon streusel topping. It's so amazing.
Recipe Ingredients
Here are some notes on a few ingredients- please see the full ingredient list in the recipe card below!
- unsalted butter- I always like to use unsalted butter with my baked goods, but if you only have salted on hand I recommend omitting the salt that the recipe calls for.
- whole milk- I recommend sticking with whole milk for this recipe instead of swapping for another milk!
- blueberries- I prefer fresh for this recipe but frozen works too. No need to defrost the frozen blueberries, just toss them in frozen and give your cake an extra few minutes to bake.
Step by Step Instructions
Step 1: Preheat the oven to 375° F. Line a 9x9 baking dish with parchment paper and set aside.
Step 2: In a medium bowl whisk together the flour, baking powder, and salt. Set aside. In a separate large bowl, use an electric mixer to cream sugar and butter together until smooth, about 1-2 minutes. Add the egg and mix until combined.
Add the flour mixture and milk in alternating additions, starting and ending with the flour mixture. Mix until just combined, be careful not to overmix here.
Coat the blueberries with 1 tablespoon flour and gently fold them into the batter. Spread the batter into the prepared baking pan (it will be thick).
Step 3: To make the streusel: In a bowl, cut the butter and other ingredients together with a fork until it becomes crumbly. Sprinkle evenly on top of the cake.
Step 4: Bake the cake at 375° for 30-35 minutes or until a toothpick comes out clean. Allow the cake to cool in the pan for about 10 minutes, and then remove it to a wire cooling rack.
Frequently Asked Questions
A buckle is technically a coffee cake that has added fruit and a streusel topping, just like this one! Buckles got their name because after the cake bakes it falls on top, or "buckles". You can totally call this a blueberry coffee cake if you prefer! I love to eat mine with a warm cup of joe!
This cake batter is pretty thick so if you tossed your blueberries in flour, they shouldn't sink at all! If they did, you might have under-measured your flour or added too much liquid to the batter, making it thin.
Yes, you can! Double the recipe and make it in a 9x13 baking pan. You will need to add a few extra minutes to your baking time, so be sure to keep a close eye on your cake while it bakes.
Totally! Don't defrost them, just toss them in frozen. You might need to add a few extra minutes to the baking time. Frozen bluebs might turn your cake a little more purple, but that's ok!
Tips and Tricks
- line your baking sheet with parchment paper- this is my favorite baking hack. Parchment paper sheets are my go-to in the kitchen- easy to use and cut to fit any pan!
- spoon and level your flour- I always recommend spooning and leveling your flour when baking. Scooping the measuring cup right into the flour will actually compact the flour and give much more than the recipe calls for. To spoon and level, use a large spoon to gently scoop the flour into your measuring cup. Once it's full, use a flat edge (like a butter knife) to gently scrape across the top of the measuring cup.
- toss blueberries in flour- this is another great baking trick. Getting a good coat of flour on your blueberries keeps them from sinking to the bottom of the cake!
Storing & Freezing
Blueberry buckle can be stored in an airtight container at room temperature for 2-3 days. The longer it sits the softer the crumble topping gets, so I suggest making it as close to when you want to eat it as possible! Eating it still warm out of the oven is next level, trust me.
To freeze, bake as directed, cool completely, and place in a very well-sealed container (or pre-cut slices and wrap in plastic wrap). Your cake will keep for a couple of months in the freezer and will still be wonderfully moist when you go back for a piece!
Want to try more cake recipes?
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📖 Recipe
Blueberry Buckle Coffee Cake
Ingredients
Blueberry Cake
- 2 cups all-purpose flour spooned and leveled
- 2 teaspoon baking powder
- ½ tsp salt
- ¼ cup unsalted butter at room temperature
- ¾ cup granulated sugar
- 1 large egg at room temperature
- ½ cup whole milk at room temperature
- 2 cups blueberries + 1 tablespoon flour for tossing
Streusel Topping
- ¼ cup unsalted butter at room temperature
- ½ cup granulated sugar
- ⅓ cup all-purpose flour spooned and leveled
- ½ teaspoon cinnamon
Instructions
Blueberry Cake:
- Preheat the oven to 375° F. Line a 9x9 baking dish with parchment paper and set aside.
- In a medium bowl whisk together the flour, baking powder, and salt. Set aside.
- In a separate large bowl, use an electric mixer to cream sugar and butter together until smooth, about 1-2 minutes. Add the egg and mix until combined.
- Add the flour mixture and milk in alternating additions, starting and ending with the flour mixture. Mix until just combined, be careful not to overmix here.
- Coat the blueberries with 1 tablespoon flour and gently fold them into the batter. Spread the batter into the prepared baking pan (it will be thick).
Streusel Topping:
- In a bowl, cut the butter and other ingredients together with a fork until it becomes crumbly. Sprinkle evenly on top of the cake.
- Bake the cake at 375° for 30-35 minutes or until a toothpick comes out clean. Allow the cake to cool in the pan for about 10 minutes, and then remove it to a wire cooling rack.
Video
Notes
- Fresh blueberries are best. Tossing them with a spoonful of flour keeps them evenly distributed throughout the cake.
- If using frozen berries, there is no need to defrost first but your cake may need a few extra minutes to finish baking.
Nutrition
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Sarah says
These are fantastic!! Wow! I’ll be making again.
Kelly Hamilton says
Thank you so much for trying this recipe, Sarah! So happy to hear you enjoyed it!
Rae says
Hi there! Can I swap whole milk for a dairy free alternative, like coconut or oat milk?
Kelly Hamilton says
Hi Rae, I haven't tested this recipe with anything other than whole milk, so I'm not 100% sure but it should be ok to swap! Might change the texture up a bit but overall should be okay.
Nikki says
Can you swap fruit to apples?
Kelly Hamilton says
Hi Nikki! I haven't tested this recipe with apples, but you should be able to! It might affect the baking time a bit, so just keep an eye out on your cake to see if it needs less/more time.
Yesenia says
OMG!! What a perfect and absolutely delicious recipe!! The only thing that I had trouble with is the cooking time. It took a good hour to bake or more! I will be making this again in the future…YUMMY!!
Kelly Hamilton says
Thanks so much for trying this recipe, Yesenia! So happy to hear you enjoyed it!
Jennie says
I had the same issue! I kept checking it and kept having batter on my tester! The recipe was incredible and my husband and his work friends LOVED it!
Kelly Hamilton says
Everyone's ovens are different which might be why it took a little longer! But happy to hear you enjoyed the recipe, thanks for trying!!
Linda nelson says
Can you use 1% milk?
Kelly Hamilton says
Hi Linda, 1% milk should work fine!
Liz McLain says
This is amazing! I’m sure it will be my new favorite for fresh blueberries. Thank you so much for sharing this recipe.
Kelly Hamilton says
So happy to hear you enjoyed this cake, Liz!
Rodney Matthews says
I love this recipe! I just made it!
However, I made one change become the batter is so thick.
I spread the batter out and put the blueberries on top ( press them lightly into the batter, sprinkle on the topping and bake for 45 mins.
Kelly Hamilton says
So happy to hear you enjoyed this recipe, Rodney!
Sydney says
I made this a few weekends ago and everyone loved it, they asked for me to make it again for Easter! Great recipe!
Kelly Hamilton says
Thanks so much for trying this recipe, Sydney! So happy to hear you loved it!
Leslie N. says
Delicious! I made a double batch of these and they turned out great!! I really loved the Streusel topping!
bakeandbacon says
Thank you Leslie!! Happy to hear you loved it so much you made it twice!