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slice of keto birthday cake on lavender plate

Keto Birthday Cake in Minutes

Course: Dessert
Cuisine: American
Prep Time: 5 minutes
Cook Time: 2 minutes
Total Time: 7 minutes
Servings: 4 people
Calories: 132
Need a personal sized cake for someone special that takes minutes to make? Try this low carb and gluten free birthday mug cake. It bakes in only 2 minutes.
Print Recipe


Each Cake Layer:



  • Mix together almond flour, coconut flour, baking powder, and salt in small bowl. Set aside.
  • Melt coconut oil in small round microwavable cup that will be used to bake cake. You can use a ramkin or 2-cup Pyrex storage container.
  • With fork, stir almond milk, egg, sweetener and vanilla extract into melted coconut oil.
  • Beat dry ingredients into liquid ingredients with fork until well combined.
  • Microwave from 1 ½ to 2 minutes or until cake is no longer wet. It took 2 minutes to bake in my 900 watt microwave.
  • Remove cake layer from pan and cool on rack.
  • Repeat steps for each cake layer.
  • Frost with icing if desired.



For buttercream frosting, I use the following:
  • ¼ cup softened butter
  • ½ cup powdered sweetener
  • ½ tsp vanilla extract
  • coconut milk or almond milk to desired consistency (about 1 tablespoon)
Chocolate Frosting can be used.
Each cake layer is two servings. So, four servings all together.
Nutrition per serving (half cake layer): 2.3g erythritol, 1.8g net carbs


Serving: 0.5cake | Calories: 132 | Carbohydrates: 6.2g | Protein: 5.2g | Fat: 11.1g | Fiber: 2.1g

Additional Info

Net Carbs: 4.1 g | % Carbs: 12 % | % Protein: 15.2 % | % Fat: 72.9 % | SmartPoints: 3
    [serving_size] => 0.5
    [calories] => 132
    [carbohydrates] => 6.2
    [protein] => 5.2
    [fat] => 11.1
    [fiber] => 2.1
    [serving_unit] => cake

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