Gluten-Free Blueberry Crumb Cake

So excited for you to try this Gluten-Free Blueberry Crumb Cake! It is perfect for blueberry season!

Based on our New York Style Crumb Cake but packed with juicy blueberries, it is melt-in-your-mouth delicious!

It’s a thick, moist, buttery cake with juicy blueberries in every bite + an extra thick layer of brown sugar cinnamon crumb topping.

Decadent-tasting and unbelievably delicious, no one will believe it’s gluten-free (and nut-free)!

Plus it is an incredibly EASY gluten-free dessert recipe!

How to make the Gluten-Free Blueberry Crumb Cake

You will need 14 ingredients in total:

butter or dairy-free butter

brown sugar

cinnamon

sugar

eggs

vanilla extract

lemon zest (not in photo)

gluten-free all purpose flour (with xanthan gum) (we used GFJules, affiliate link)

baking powder

baking soda

salt

sour cream or plain Greek yogurt (we used 0% milkfat Greek yogurt)

powdered or confectioners sugar for sprinkling on top (not in photo) and of course,

blueberries (not in photo)

As an aside, you may have noticed that we are affiliate for GFJules.  To learn more about why we love GFJules flour and why we have used it for 10 years, click here.

Bonus: at the bottom of that post is a one-time use affiliate Discount Code.

And importantly, purchasing through an affiliate link does not change your cost at all. It generates a small percentage of the sale for me, and purchasing through an affiliate link helps me fund this website and all the recipes I share, so thank you!

Back to the Gluten-free Blueberry Crumb Cake…

The cake comes together in 7 easy steps, taking about 20 minutes:

1. Make the Brown Sugar Cinnamon Crumble. Set aside.
2. Combine the flour, baking powder, baking soda and salt. Set aside.
3. Cream the butter and sugar. Add in eggs, vanilla and lemon zest.
4. Alternately add flour mix and yogurt (or sour cream).
5. Stir in blueberries.
6. Add batter to pan.
7. Top with crumble and bake!

Let’s look at the steps more closely.

How make the Brown Sugar Cinnamon Crumble.

The cake comes together so quickly, it is best to make the crumble first and let sit aside covered.

You will need: brown sugar, white granulated sugar, cinnamon, salt  and gluten-free all purpose flour..

It comes together in 3 easy steps:

1. In a medium bowl, combine the sugars, cinnamon and salt.
2. Add melted butter and combine. These first two steps can be done in the kitchen aid as I did or by hand.
3. Add flour and using a fork, combine to create coarse crumbs. This step must be done with a fork, not a mixer or you won’t get the crumble effect.

How to make the Gluten-free Blueberry Cake …

The cake batter is basic:

1. Cream the butter and sugar until light and fluffy (the more room temperature the butter, the faster and better it will cream).
2. Mix in eggs, vanilla and lemon zest.
3. Then add in the flour and Greek yogurt (or sour cream) alternately.
4. Then stir in the blueberries; if you use a mixer, just mix once so that the blueberries don’t break.

The batter is gorgeous! It’s thick and creamy and very spreadable.

Now all you do it assemble!

First spread the cake batter into the pan. It will be thick but spreadable.

Pro Tip: Line the baking pan with parchment paper so that you can easily lift the entire cake out of the pan when ready to slice and serve.

Then gently press the crumb topping into the cake.  You want to press it gently so that it really sticks to the cake while it bakes.

Then bake it!

Your kitchen will smell amazing while it bakes!

Let it cool, then sprinkle with powdered or confectioners sugar and slice into it!

Pro Tip: You can sprinkle the sugar any way you like but I put the sugar in a small strainer to get the light even topping.

That’s it!

This Gluten-Free Blueberry Crumb Cake has been a huge hit with all my taste testers!  Such a yummy way to enjoy blueberry season!

The cake is moist and soft, the blueberries add the best juicy flavor and the crumble is soft and decadent tasting…  together, it’s so delicious!

And while the Blueberry Crumb Cake looks impressive with its 2 layers and towering crumble, and it is a simple gluten free baking recipe!

Hope you love it as much as we do!

For more Blueberry treats, try:

Blueberry Crumble

The Best Blueberry Muffins

Lemon Blueberry Bread

Blueberry Tart with Lemon Honey Yogurt Filling

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