Gluten-Free Apple Butter Crumb Cake

Well, let me tell you about the first time I made a gluten-free apple crumb cake for a family gathering. I was so nervous the middle would sink that I checked the oven window about a dozen times.

It came out golden, tender, and gone within twenty minutes. This Gluten-Free Apple Butter Crumb Cake has been my go-to ever since, especially once the air turns crisp and everyone wants something that smells like fall.

Have you ever pulled a cake out of the oven and just known, before you even cut into it, that it was going to be a keeper? That’s exactly how this one feels every single time.

Why You’ll Love This Gluten-Free Apple Butter Crumb Cake

• Tender, moist crumb with a buttery cinnamon topping that stays crisp, not soggy
• Beginner-friendly: one bowl for the crumb, one bowl for the batter, no fancy equipment needed
• Naturally lends itself to dairy swaps, so it works for mixed households
• Perfect for Thanksgiving brunch, fall potlucks, or a quiet Sunday with coffee

The Secret to Perfect Gluten-Free Apple Butter Crumb Cake

You know, gluten-free cakes have a reputation for being dense or gummy, and there are real reasons for that. This recipe solves those problems with a few specific techniques.

• Blending gluten-free multi-purpose flour with almond flour adds structure and a subtle nuttiness without any grit
• Creaming the butter and sugars for a full three minutes builds air pockets that keep the crumb light
• Room-temperature eggs and sour cream emulsify smoothly into the batter, which prevents the dense, wet bottom that plagues a lot of gluten-free bakes
• Tossing the diced apples in apple pie spice before baking keeps their moisture from turning the crumb topping soggy

If you want to go deeper on why gluten-free flours behave so differently than wheat, trusted celiac research from the Celiac Disease Foundation is a solid place to start.

Ingredients

Gluten-Free Crumb Topping

• 113 grams butter, unsalted
• 175 grams gluten-free multi-purpose flour
• 60 grams light brown sugar
• 60 grams granulated sugar
• 1 teaspoon ground cinnamon
• ¼ teaspoon kosher salt

Gluten-Free Apple Crumb Cake

• 260 grams gluten-free multi-purpose flour
• 30 grams almond flour
• 1 teaspoon baking powder
• ½ teaspoon baking soda
• 1 teaspoon kosher salt
• 113 grams butter, unsalted, at room temperature
• 100 grams granulated sugar
• 50 grams light brown sugar
• 1 teaspoon vanilla extract
• 3 large eggs, at room temperature
• 90 grams full-fat sour cream, at room temperature
• 3 medium apples, about 350 grams after peeling and dicing
• 2 teaspoons apple pie spice

For Serving

• Powdered sugar, as needed

Note on flour blends: a reliable gluten-free baking resource can help if your multi-purpose blend behaves differently than mine, since brands vary in starch ratio.

Instructions

Make the Crumb Topping

1. Melt the butter in a small pot or a microwave-safe bowl, then let it cool for a few minutes.
2. While it cools, whisk together the gluten-free flour, brown sugar, granulated sugar, cinnamon, and kosher salt in a mixing bowl.
3. Using a fork, lightly mix the dry ingredients into the melted butter until crumbles form. Don’t overmix, or you’ll lose that craggy texture.
4. Place the crumble in the fridge while you make the cake batter.

Make the Cake

1. Peel and dice the apples into roughly ½-inch cubes. Toss them with the apple pie spice and set aside.
2. Preheat the oven to 350°F. Lightly grease a springform pan and line the bottom with parchment.
3. Whisk together the gluten-free multi-purpose flour, almond flour, baking powder, baking soda, and kosher salt.
4. In a stand mixer, beat the room-temperature butter, both sugars, and vanilla on medium speed for about 3 minutes, until lighter in color and smooth. Pro tip: don’t rush this step, since it’s where the cake gets its lift.
5. Add the eggs one at a time, waiting 30 seconds between each addition.
6. With the mixer on low, mix in the dry ingredients until just smooth.
7. Fold in the sour cream until incorporated, scraping the bowl to make sure nothing’s hiding at the bottom. The batter will be thick.
8. Spread the batter evenly into the prepared springform pan.
9. Top evenly with the spiced apples, then scatter the crumb topping over top, pressing gently so it sticks.
10. Bake for 40 to 45 minutes, until the crumb top is golden brown with a nutty aroma filling your kitchen, and a tester inserted in the center comes out clean.
11. Cool the cake in the pan for 10 minutes before removing the springform ring. Let it cool for at least 45 to 60 minutes before slicing.

Make It Your Own

You can swap the almond flour for finely ground sunflower seed flour if you’re dealing with a nut allergy at home. The texture stays close to the original, just slightly less nutty.

Man, oh man, if you’re out of sour cream, full-fat plain yogurt works beautifully as a 1:1 swap. It keeps that same tangy moisture that makes this a genuinely cozy snack cake.

For a dairy-free version, swap the butter for a plant-based stick butter in both the cake and the crumb. The crumb topping stays crisp, though the flavor turns slightly milder.

If pears are what you’ve got on hand instead of apples, they work well here too. Just pick firm, slightly underripe ones so they hold their shape during baking.

Common Problems & Solutions

Problem: The cake sinks in the middle. Solution: check that your baking powder and baking soda are fresh. Old leaveners lose their punch and can’t support the weight of the apples and crumb.

Problem: The crumb topping melts flat instead of staying crumbly. Solution: chill the crumb mixture until it firms up before adding it to the cake. Well, warm crumb topping just spreads instead of clumping.

Problem: The cake tastes gummy in the center. Solution: this usually means it needed a few more minutes in the oven. Gluten-free batters can look done on top while the center is still underbaked, so a digital thermometer reading above 200°F is your best guarantee.

Problem: The cake is dry instead of moist. Solution: double-check your gram measurements, especially for the flour. You know, gluten-free flour blends pack differently than wheat flour, and a kitchen scale removes all the guesswork.

Storage & Meal Prep

Method	Duration	Notes
Counter	2-3 days	Airtight container
Fridge	5-7 days	Bring to room temp
Freezer	2-3 months	Wrap individually

To reheat a slice, a quick 15 seconds in the microwave brings back that just-baked softness. If you’ve got extra crumb topping, it’s fantastic sprinkled over yogurt or oatmeal so nothing goes to waste.

Your Questions Answered

Serving Suggestions

This cake is one of my favorite additions to a Thanksgiving brunch spread, right alongside coffee and something savory to balance the sweetness. A dusting of powdered sugar and a dollop of whipped cream turns any slice into dessert.

If you’re building out a full fall menu, this pairs nicely with a gluten-free apple cider Dijon chicken skillet for dinner, or you could round out dessert with a caramel apple nacho board for a crowd.

Give This Recipe a Try

I’d love to hear how this Gluten-Free Apple Butter Crumb Cake turns out in your kitchen, so drop a comment below with any tweaks you made. If you snap a photo, pin it to Pinterest and tag me, I always love seeing your bakes.