Keto Vanilla Bean Coconut Flour Cupcakes

Light, fluffy cupcakes made with coconut flour and infused with real vanilla bean create a delicate, naturally sweet dessert perfect for those following low-carb or gluten-free diets. The erythritol sweetener keeps them sugar-free while maintaining tender crumb texture. Rich buttercream frosting enhanced with vanilla bean seeds provides an elegant finish. These cupcakes work beautifully for birthday celebrations, afternoon tea, or any time you want a guilt-free indulgence that doesn't compromise on flavor or presentation.
Ingredients
- 1 cup almond milk
- 1 vanilla bean
- 1 cup coconut flour
- ¾ cup Swerve Sweetener or other erythritolstevia powder1 cup erythritol to 1/4 tsp steviaketosugar-free
note: reduce liquid slightly, very sweet
Full guide → - 1 tbsp baking powder
- ½ tsp salt
- 7 large eggs, lightly beaten
- ½ cup butter, melted
- 1 tsp vanilla
- ½ tsp stevia extract
- ½ cup butter, softened
- 2 cups powdered Swerve Sweetener or other powdered erythritolstevia powder1 cup erythritol to 1/4 tsp steviaketosugar-free
note: reduce liquid slightly, very sweet
Full guide → - 6 to 8 tbsp heavy cream
- 1 tsp vanilla extract
Instructions
- 1
Heat almond milk in medium saucepan over medium heat
- 2
Split vanilla bean lengthwise and scrape out seeds with sharp knife
- 3
Add vanilla bean seeds and pod to almond milk and bring to gentle simmer
- 4
Remove from heat and let steep 30 minutes, then remove vanilla bean pod
- 5
Preheat oven to 325F and line muffin tin with cupcake liners
- 6
Whisk together coconut flour, sweetener, baking powder and salt in medium bowl
- 7
Break up any clumps with back of fork
- 8
Stir in beaten eggs, melted butter and infused almond milk, stirring vigorously
- 9
Add vanilla extract and stevia extract, continuing to stir until mixture is smooth and well combined
- 10
Divide batter between prepared muffin cups
- 11
Bake 20 to 30 minutes until tops are set and tester inserted in center comes out clean
- 12
Let cupcakes cool completely
- 13
Beat softened butter until creamy for frosting
- 14
Add powdered sweetener 1/2 cup at a time until well combined
- 15
Add 6 tablespoons cream and beat until well combined
- 16
If frosting seems stiff, continue adding cream 1 tablespoon at a time until desired consistency achieved
- 17
Split second vanilla bean lengthwise and scrape out seeds
- 18
Add vanilla bean seeds and vanilla extract to frosting and beat until combined
- 19
Pipe or spread frosting onto cooled cupcakes
Tips
Make sure coconut flour is well-sifted and clumps are broken up with a fork before mixing to prevent lumpy batter and ensure even texture throughout the cupcakes.
Allow cupcakes to cool completely before frosting as coconut flour treats are more delicate when warm and the buttercream will melt if applied too early.
Reserve some vanilla bean seeds from scraping to sprinkle on top of frosted cupcakes for an elegant presentation and extra vanilla flavor.
Good to Know
Store covered at room temperature up to 2 days or refrigerate up to 5 days. Bring to room temperature before serving.
Cupcakes can be baked 1 day ahead and stored covered. Frosting can be made 2 days ahead and refrigerated, then re-whipped before using.
Serve at room temperature for best texture and flavor. Garnish with additional vanilla bean seeds or a light dusting of powdered erythritol.
Common Mistakes
Overmix coconut flour batter to avoid dense, heavy cupcakes - stir just until combined.
Add frosting to warm cupcakes to avoid melted buttercream.
Skip breaking up coconut flour clumps to avoid lumpy texture in finished cupcakes.
Substitutions
Dairy-Free Swaps
Gluten-Free Swaps
General Alternatives
note: reduce liquid slightly, very sweet
Full guide →FAQ
Can I use regular sugar instead of erythritol sweetener?
Yes, substitute equal amounts of granulated sugar for erythritol and powdered sugar for powdered erythritol. The cupcakes will no longer be sugar-free and will have slightly more moisture.
How long do these cupcakes keep and can I freeze them?
Unfrosted cupcakes keep 2 days at room temperature or 5 days refrigerated. They freeze well for up to 3 months. Thaw overnight and frost before serving.
What if I don't have vanilla beans - can I use vanilla extract only?
Yes, use 2 teaspoons vanilla extract total in the batter instead of infusing almond milk. The flavor will be less intense but still delicious.