Imagine a warm, cinnamon-swirled cake that tastes like a classic bakery cinnamon roll but won’t send your carbs soaring. That’s exactly what this Low Carb Cinnamon Roll Cake delivers. It’s soft, tender, and perfectly spiced, with a buttery cinnamon ripple and a creamy glaze on top.
The best part? It’s simple to make and uses pantry-friendly ingredients. Whether you’re watching carbs or just want a lighter dessert, this cake hits the sweet spot.

Low Carb Cinnamon Roll Cake – A Cozy, Comforting Treat Without the Sugar Crash
Ingredients
Method
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Preheat your oven to 350°F (177°C).
Grease an 8×8-inch baking pan and line it with parchment, leaving overhang for easy lifting.
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In a large bowl, whisk the almond flour, coconut flour, sweetener, baking powder, baking soda, and salt until no lumps remain.
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In a separate bowl, whisk the eggs, sour cream, melted butter, and vanilla until smooth.
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Pour wet ingredients into the dry mixture. Stir until just combined. Add almond milk 1 tablespoon at a time until the batter is thick but spreadable.
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Spread half the batter into the prepared pan.
Smooth with a spatula.
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Make the swirl: Mix the brown sweetener and cinnamon. Stir in melted butter until it looks like wet sand.
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Sprinkle half the cinnamon mixture over the batter. Dollop the remaining batter on top and gently spread.
Finish with the rest of the cinnamon mixture.
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Use a butter knife to gently swirl the top layer in a figure-eight pattern. Don’t overmix—distinct ribbons are best.
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Bake for 22–28 minutes, or until the edges are set and a toothpick in the center comes out mostly clean with a few moist crumbs.
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Cool in the pan for 10–15 minutes, then lift out to a rack. Let it cool another 15 minutes before glazing.
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Make the glaze: Whisk powdered sweetener, cream, vanilla, and salt until smooth and pourable.
Adjust with more cream if needed.
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Drizzle glaze over the warm (not hot) cake. Slice and serve.
What Makes This Recipe So Good

- Low in carbs, big on flavor: All the nostalgic taste of a cinnamon roll with a fraction of the carbs.
- Simple ingredients: Almond flour, eggs, and cinnamon do most of the heavy lifting—no obscure products required.
- Moist and tender: The combination of almond flour, sour cream, and eggs keeps the crumb soft, not dry.
- Quick to bake: No yeast, no waiting, and no tricky steps—mix, swirl, and bake.
- Great for meal prep: It stores well and reheats beautifully, making it perfect for breakfast, snacks, or dessert.
Ingredients
- For the cake:
- 2 cups fine almond flour
- 2 tablespoons coconut flour
- 1/3 cup granular erythritol or allulose (or your preferred low-carb sweetener)
- 1 1/2 teaspoons baking powder
- 1/2 teaspoon baking soda
- 1/4 teaspoon fine sea salt
- 3 large eggs, room temperature
- 1/2 cup sour cream (or full-fat Greek yogurt)
- 1/3 cup unsalted butter, melted and slightly cooled
- 2 teaspoons vanilla extract
- 2–4 tablespoons unsweetened almond milk, as needed for batter consistency
- For the cinnamon swirl:
- 1/3 cup brown monk fruit sweetener or brown erythritol
- 2 teaspoons ground cinnamon
- 3 tablespoons unsalted butter, melted
- For the glaze:
- 1/2 cup powdered erythritol or powdered allulose
- 2–3 tablespoons heavy cream (or unsweetened almond milk for dairy-light)
- 1/2 teaspoon vanilla extract
- Pinch of salt
Step-by-Step Instructions

- Preheat your oven to 350°F (177°C).
Grease an 8×8-inch baking pan and line it with parchment, leaving overhang for easy lifting.
- In a large bowl, whisk the almond flour, coconut flour, sweetener, baking powder, baking soda, and salt until no lumps remain.
- In a separate bowl, whisk the eggs, sour cream, melted butter, and vanilla until smooth.
- Pour wet ingredients into the dry mixture. Stir until just combined. Add almond milk 1 tablespoon at a time until the batter is thick but spreadable.
- Spread half the batter into the prepared pan.
Smooth with a spatula.
- Make the swirl: Mix the brown sweetener and cinnamon. Stir in melted butter until it looks like wet sand.
- Sprinkle half the cinnamon mixture over the batter. Dollop the remaining batter on top and gently spread.
Finish with the rest of the cinnamon mixture.
- Use a butter knife to gently swirl the top layer in a figure-eight pattern. Don’t overmix—distinct ribbons are best.
- Bake for 22–28 minutes, or until the edges are set and a toothpick in the center comes out mostly clean with a few moist crumbs.
- Cool in the pan for 10–15 minutes, then lift out to a rack. Let it cool another 15 minutes before glazing.
- Make the glaze: Whisk powdered sweetener, cream, vanilla, and salt until smooth and pourable.
Adjust with more cream if needed.
- Drizzle glaze over the warm (not hot) cake. Slice and serve.
How to Store
- Room temperature: Keep covered for up to 24 hours if your kitchen is cool.
- Refrigerator: Store in an airtight container for 4–5 days. The texture actually improves by day two.
- Freezer: Wrap slices tightly and freeze up to 2 months.
Thaw overnight in the fridge.
- Reheating: Warm in the microwave for 10–15 seconds per slice or in a 300°F oven for 5–7 minutes.

Health Benefits
- Lower carb load: Almond and coconut flours keep net carbs in check compared to wheat flour.
- Higher in healthy fats: Almond flour and butter provide satisfying fats that help keep you full.
- Protein boost: Eggs add high-quality protein and structure without extra carbs.
- Reduced sugar impact: Using erythritol or allulose limits blood sugar spikes while still delivering sweetness.
- Cinnamon perks: Cinnamon brings warmth and may support healthy blood sugar levels as part of a balanced diet.
Pitfalls to Watch Out For
- Overbaking: Almond flour dries out if baked too long. Pull it once the center is just set.
- Too thick or too thin batter: Add almond milk gradually. You want a thick, spreadable batter—not runny.
- Gritty texture: Use fine, blanched almond flour.
Coarse meal leads to a dense, crumbly cake.
- Cooling too fast: Let it rest before glazing. Glaze on a hot cake melts and runs off.
- Sweetener swaps: Allulose browns more and can keep cakes moister, while erythritol can crystallize slightly. Adjust glaze thickness as needed.
Variations You Can Try
- Cream cheese swirl: Beat 4 ounces softened cream cheese with 2 tablespoons powdered sweetener and 1 egg.
Dollop into the batter before swirling.
- Pecan crunch: Fold 1/2 cup chopped toasted pecans into the cinnamon layer for a classic sticky bun vibe.
- Pumpkin spice: Add 1/3 cup pumpkin puree to the wet ingredients and 1 teaspoon pumpkin pie spice to the batter. Bake a few minutes longer.
- Dairy-free: Use coconut oil instead of butter, full-fat coconut yogurt for sour cream, and almond milk in the glaze.
- Maple twist: Add 1/2 teaspoon maple extract to the glaze for a cozy breakfast flavor.
FAQ
Can I use coconut flour only?
Coconut flour alone won’t work here. It’s highly absorbent and would make the cake dry and crumbly.
Stick with mostly almond flour and just a little coconut flour for structure.
What sweetener works best?
Erythritol blends give a classic taste and firm crumb. Allulose keeps things moister and browns more, but may need a slightly longer bake. Monk fruit blends (with erythritol) are also great.
Avoid pure stevia alone—it can taste bitter in baked goods.
How do I know it’s done?
Look for a lightly golden top, set edges, and a center that springs back when gently touched. A toothpick should come out with a few moist crumbs, not wet batter.
Can I make this in a loaf pan?
Yes. Use a standard 9×5 loaf pan and bake 35–45 minutes, checking early.
Tent with foil if the top browns too quickly.
Is this cake keto-friendly?
Yes, when made with low-carb sweeteners and almond/coconut flours. Net carbs will vary by brands and serving size, so calculate using your specific ingredients.
Can I reduce the butter?
You can replace up to half the butter in the batter with additional sour cream or Greek yogurt, but the cake may be less rich. Keep the butter in the cinnamon layer for the best swirl texture.
Wrapping Up
This Low Carb Cinnamon Roll Cake brings all the cozy bakery flavors to your kitchen without the carb overload.
It’s easy enough for a weekday treat and special enough for weekend brunch. Keep a few slices in the fridge, warm them up, and you’ve got instant comfort any time of day. If you love classic cinnamon rolls but want something lighter, this cake is the sweet spot.


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