Unbelievably Moist Keto Sour Cream Coffee Cake Recipe You Can’t Resist!

For those embracing a keto or low-carb lifestyle without sacrificing flavor, this Keto Sour Cream Coffee Cake is a dream come true. It's a moist, flavorful treat featuring a delightful cinnamon streusel swirl and a luscious cream cheese frosting. Best of all, it boasts only 2 net carbs per slice, frosting included!

This recipe is perfect for anyone who loves a sweet treat with their morning coffee or as a guilt-free dessert any time of day. It's also a fantastic option for those with nut allergies, as it uses coconut flour instead of almond flour.

Why This Keto Coffee Cake Stands Out

Perfect Texture: The combination of coconut flour and sour cream results in a moist, soft, and fluffy cake.
No Almond Flour: Ideal for those with almond allergies or those who simply prefer a different texture. Coconut flour adds a subtle sweetness that complements the other flavors perfectly.
Sweetened the Right Way: Sugar-free sweeteners eliminate the worry of sugar crashes, allowing you to enjoy a sweet treat without the guilt.
Cinnamon Streusel: A crunchy, cinnamon-sugary swirl adds an irresistible texture and flavor to every bite.
Cream Cheese Frosting: A rich and creamy cream cheese frosting provides the perfect balance of sweetness and tanginess.
Super Low-Carb: With only 2 net carbs per slice (including frosting), this cake fits seamlessly into a keto or low-carb diet.

Ingredients You'll Need

This keto coffee cake utilizes simple, low-carb ingredients that work together to create a delightful treat:

Coconut Flour: The star flour of this recipe, coconut flour is naturally low in carbs and high in fiber.
Granulated Sugar-Free Sweetener: Use a keto-friendly sweetener like an erythritol/monk fruit blend, allulose, Lakanto Monk Fruit, Swerve, or Pyure to provide sweetness without the sugar. If using Pyure, use half the amount called for in the recipe, as it is much sweeter. Truvia Sweet Complete, a granulated, all-purpose stevia sweetener that measures cup for cup, can also be used.
Baking Powder & Baking Soda: These help the cake rise, ensuring a light and fluffy texture.
Sour Cream: Adds moisture and richness to the cake. Full-fat Greek yogurt or heavy cream can be used as substitutes.
Eggs: Essential for structure and binding the batter together.
Unsalted Butter: Adds richness and flavor while keeping the cake moist.
Ground Cinnamon: The star of the streusel layer, providing warmth and spice.
Salted Butter: Softened butter adds smoothness and flavor to the frosting, balancing the tanginess of the cream cheese.
Vanilla extract: Vanilla extract enhances the flavors of the other ingredients.
Optional additions: Keto chocolate chips, chopped nuts (pecans or walnuts).

Step-by-Step Instructions for Keto Coffee Cake Perfection

Get Started: Preheat your oven to 350°F (175°C). Line two mini 5 ½ x 3-inch loaf pans (or an 8" x 11" baking dish, or a 9"x9" pan, or a 10-inch spring-form cake pan) with parchment paper or lightly grease them to prevent sticking.
Make the Cake Batter: In a large mixing bowl, combine all the dry cake ingredients (coconut flour, sweetener, baking powder, baking soda (if using), and salt). Whisk everything together to ensure it’s well-mixed. Add in the sour cream, eggs, and vanilla extract. Stir everything together, and finally, add the melted butter. Continue to stir until the batter is smooth. If the batter is very thick, stir in water 1 tablespoon at a time.
Prepare the Cinnamon Streusel: In a separate small bowl, mix together the cinnamon, sugar-free sweetener, coconut flour (or almond flour), and melted butter. Use a fork or your fingers to crumble the mixture together, creating that delicious streusel texture.
Assemble the Cake: Spoon half of the cake batter into each of the mini loaf pans (or spread the batter into the prepared baking dish). Spread it evenly. Then, sprinkle half of the cinnamon streusel mixture over the batter in each pan. Top with the remaining cake batter, and finish by sprinkling the rest of the streusel on top.
Bake the Cake: Bake the cakes in the preheated oven for about 25-30 minutes (or 18 minutes covered with crumb mixture and 12 more minutes uncovered, or 40 to 50 minutes), or until golden and a toothpick inserted into the center of the cakes comes out clean or with just a few moist crumbs.
Make the Frosting: While the cakes are cooling, make the cream cheese frosting. In a medium-sized bowl, beat the softened cream cheese and butter together until smooth. Add the powdered sweetener and vanilla extract, then continue to beat until the frosting is fluffy and well-combined. If desired, dust with a little extra cinnamon for a finishing touch.
Frost the Cakes: Once the cakes are completely cooled, generously spread the cream cheese frosting over the top of each loaf.
Slice and Serve: Cut each loaf into thick slices and serve with your favorite keto coffee or latte.

Pro Tips for the Best Keto Coffee Cake

Don’t Skip the Cooling: Make sure the cakes cool completely before frosting them to prevent the frosting from melting.
Use Full-Fat Ingredients: For the best flavor and texture, stick with full-fat sour cream, cream cheese, and butter.
Don’t Overbake: The cake is ready when a toothpick inserted into the center comes out with just a few crumbs.
Cool Completely Before Frosting: Frosting the cake while it’s warm will cause the cream cheese frosting to melt and slide off.
Make It Ahead: This easy keto coffee cake tastes even better the next day as the flavors meld together.
Nut-Free Option: Use sunflower seed flour in place of the almond flour, cup for cup. Just be aware of the fact that it can react with baking powder to cause baked goods to become green inside as they cool. You can easily offset this reaction by using a tablespoon of lemon juice.
Don't over mix: Over mixing the batter can result in a tough cake.

Customization Ideas

Make It Muffins: Transform the loaf into coffee cake muffins by using a muffin tin.
Add Chocolate Chips: Stud the cake with keto-friendly chocolate chips for an extra touch of sweetness.
Incorporate Nuts: Add chopped pecans or walnuts to the streusel topping for added crunch and flavor.

Serving and Storage

This Keto Coffee Cake is absolute perfection! It makes for a decadent weekend breakfast or a deliciously sweet after-dinner dessert.

Storage: Once the cake has cooled to room temperature, store it in an airtight container in the fridge for up to one week.
Freezing: Yes, this freezes really well. You can either freeze it in the baking dish or you can freeze individual squares for up to 3 months. Allow the cake to thaw in the refrigerator before serving.

Keto Coffee Cake vs. Traditional Cake

Coffee cake is meant to be served with coffee and can be enjoyed for breakfast, brunch, or as a snack. It’s typically a simple, single-layer cake without frosting and is often less sweet than dessert cakes. Think of it as a muffin in cake form!

Read also: Easy Low-Carb Cheese Crackers

Nutritional Information

This keto sour cream coffee cake recipe has approximately 3.8g of net carbs per slice. Remember that it is calculated using software and you should independently calculate nutritional information on your own before relying on them.

Read also: Magnesium Supplements for Keto

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