Homemade Blackberry Coffee Cake is hard to beat for breakfast, brunch or a dessert. The best part of this recipe is it's gluten-free and Keto-friendly!
This recipe's star ingredient is homemade blackberry jam! It's swirled between moist and delicious layers of tender coffee cake. Then it is baked to perfection with a sweet streusel topping.
I absolutely LOVE fresh berries, and blackberries are one of my favorites! I recently ran up on a sale for some of the biggest and most beautiful blackberries so I stocked up!
If you're looking for the absolute best way to use up blackberries you have on hand, this recipe is the answer. It has an amazing taste and texture that will fool even your non-Keto friends and family.
Blackberry Coffee Cake is great to take to your next covered-dish or social get-together. Enjoy it with a piping hot cup of coffee in the mornings for a breakfast on the go, or as a Keto snack for those times you need a little something sweet.
What's in Keto Blackberry Coffee Cake
- Keto Blackberry Jam
- Super fine almond flour
- Oat fiber
- Sour cream
- Heavy cream
- Swerve confectioners
- Brown Swerve
- Baking powder
- Vanilla extract
- Ground cinnamon
- Ground nutmeg
*Exact measurements are listed in the recipe card below.
How to Make Blackberry Gluten Free Coffee Cake
To Make the Gluten Free Cake
In a separate bowl, mix together the eggs, sour cream, heavy cream, Swerve and vanilla.
Add in the dry ingredients and mix just until combined.
Dollop the blackberry jam over the top of the batter, then swirl it into the batter using a knife. Set aside while you make the sugar free crumble topping.
To Make the Gluten Free Crumb Topping
Pour the melted butter over the top and mix until well combined.
Sprinkle the crumb topping over the batter.
Gently press the crumbs into the batter slightly. This will help the topping stick to the coffee cake and not fall off when you cut into it.
Bake for 45-50 minutes or a toothpick, when inserted, comes out clean and the crumb topping is golden. Mine took exactly 50 minutes.
Store leftovers in an airtight container in the fridge for 5-7 days.
Can I Freeze Blueberry Coffee Cake?
You sure can! This makes an amazing make ahead dessert. You can slice the coffee cake into squares, double wrap in plastic wrap and store in an airtight container in the freezer for up to several months.
If you'd like to read more about meal planning with low carb options, check out this article for some great ideas: 25 Keto Meal Planning Ideas.
Are Blackberries Keto?
Most all berries are considered acceptable for those on Keto or low carb diets. With just 3.5 net carbs per serving, blackberries have one of the lowest in carb counts of all berries, second lowest to raspberries.
More Keto Blackberry Recipes
If you love blackberries as much as I do but are watching your carbs closely, you'll love this Mixed Berry Crumble, these Blackberry Fat Bombs or these delicious Blackberry Cheesecake Bars! They are all Keto friendly, using almond flour and sugar substitutes making them excellent low carb sweet treats.
Tips For Making the Best Keto Coffee Cake
This Blackberry Coffee Cake is so easy to make and taste just like traditional coffee cake. Here are a few tried and true tips to ensure your coffee cake turns out perfect every time:
How to Get Perfect Keto Coffee Cake Texture
By using a mix of both almond flour and oat fiber you'll get that authentic coffee cake texture that you’re looking for. Super fine almond flour works best in most any low carb or gluten-free desserts as a substitute for traditional flour and when mix with a little oat fiber, you just can't beat it.
What's the Best Sweetener for Gluten Free Coffee Cake?
Swerve Confectioners is used in this recipe. It dissolves well in the batter and it taste a lot like regular sugar without having a funny aftertaste like a lot of artificial sweeteners. You can also use Allulose, Powdered, if that's what you have on hand.
What Makes the Best Gluten Free Crumb Topping?
The best brown sugar substitute I've found is Swerve Brown. It tastes and bakes just like brown sugar and makes the BEST sugar free crumb topping!
If you're eating this coffee cake like a dessert, you can add homemade whipped cream and a few fresh blackberries right on top for a little added decadence.
What is Oat Fiber? Is Oat Fiber Keto?
Oat Fiber is a key ingredient in this recipe, because it gives a more traditional texture. The Oat Fiber that I use is made by Lifesource Foods and I highly recommend it. They grind it to a very fine powder and has a very mild flavor.
Oat Fiber is not the same as Oat Flour, which is made from grinding oats. Oat Fiber is made from grinding the outer husks of oats and is pure insoluble fiber. Insoluble fiber doesn't dissolve in water and isn't broken down in the digestive tract, so it has zero net carbs.
More Keto Recipes Using Oat Fiber
- Blueberry Muffins
- Coffee Crumb Cake
- Coconut Lime Cupcakes
- Cheddar Jalapeño "Cornbread"
- Fluffy Pancakes
- Rosemary & Kalamata Olive Focaccia
- Lemon Cupcakes
- Chocolate Chip Cookies
If you'd like to know more about baking on Keto, this article, Keto Baking Made Easy, is loaded with tips and info that you'll find helpful. You might also check out my Keto Sweet Treats eBook that has 50 amazing Keto dessert recipes, all with color pics, macros and more! I'm offering it at 50% off when you subscribe to my free weekly emails here.
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Keto Blackberry Coffee Cake – Gluten Free
For the Cake
To Make the Cake
- In a separate bowl, mix together the eggs, sour cream, heavy cream, swerve and vanilla. Add in the dry ingredients and mix just until combined.
To Make the Crumb Topping
- Add almond flour, cinnamon, nutmeg and Swerve into a mixing bowl and mix. Pour the melted butter over the top and mix until well combined.
- Sprinkle the crumb topping over the batter. Gently press the crumbs into the batter slightly. Bake for 45-50 minutes or a toothpick, when inserted, comes out clean and the crumb topping is golden. Mine took exactly 50 minutes.
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*Nutritional data is provided as a courtesy and is accurate to the best of my knowledge. You can verify it using the nutrition calculator of your choice. All data is based on net carbs, without sugar alcohol- Swerve, Erythritol, Allulose, or Monk Fruit.