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4.8 from 36 votes

Keto Blueberry Mug Cake

Satisfy your cake cravings with a keto blueberry mug cake! This sugar free microwave cake is ready from scratch in just 5 minutes.

Prep Time
3 mins
Cook Time
3 mins
Total Time
4 mins
Servings: 1
Calories: 292 kcal
Course: Dessert
Cuisine: British

Ingredients

  • 2 tablespoon almond flour
  • 1 tablespoon coconut flour
  • 1 tablespoon butter melted
  • 1 egg use a medium egg with ground almonds or coarse almond flour and a large egg with super fine almond flour
  • 1 tablespoon granulated sweetener
  • 1 teaspoon vanilla extract
  • ¼ teaspoon baking powder
  • 10 blueberries 27g

Instructions

    Cup of Yum
  1. Stir together the dry ingredients in a bowl - almond flour, coconut flour, baking powder, sweetener. Take care to break up any lumps.
  2. In a second bowl, whisk the egg. Then add the melted and cooled butter plus the vanilla extract and whisk until combined.
  3. Now, add the dry ingredients to the wet and stir until a smooth batter forms.
  4. Grease a mug or ramekin with butter and fill in the batter. Press the blueberries into the centre, leaving a little gap at the top.
  5. Microwave for 80 seconds (adjust depending on the power level of your microwave. See suggested microwave timings in the notes below).

Notes

  • 9g net carbs per mug cake. Nutrition is calculated per cake. Recipe serves 1, although it is filling and could be shared between 2.
  • Enjoy straight from the mug or invert onto a plate.
  • Enjoy straight from the mug or invert onto a plate.
  • Option to dust with powdered sweetener and a squirt of whipped cream.
  • My microwave operates at 900W and my cake took 80 seconds to cook. Here's a quick overview of recommended baking times for other power levels:
  •  
  • 600W = low power. 100 seconds. 
  • 800W = 90 seconds.
  • 900W = 80 seconds. 
  • 1000W = 70 seconds
  • 1200W = 60 seconds. 

Nutrition Information

Calories 292kcal (15%) Total Carbohydrates 9.1g Protein 9.8g (20%) Fat 23.3g (36%) Saturated Fat 10.2g (51%) Fiber 3.3g (13%) Sugar 4g (8%)

Nutrition Facts

Serving: 1Serving

Amount Per Serving

Calories 292

% Daily Value*

Calories 292kcal 15%
Total Carbohydrates 9.1g 3%
Protein 9.8g 20%
Fat 23.3g 36%
Saturated Fat 10.2g 51%
Fiber 3.3g 13%
Sugar 4g 8%

* Percent Daily Values are based on a 2,000 calorie diet.