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Chocolate cake in a marble serving board
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4 Minute Microwave Chocolate Cake

How to make a sugar-free, gluten-free microwave chocolate cake ready in just 4 minutes, for busy mornings or healthy desserts.
Course Breakfast, cake, Dessert
Cuisine homemade, keto, low carb, sugar free
Keyword gluten free, low carb cake, microwave cake, sugar free dessert
Prep Time 10 minutes
Cook Time 4 minutes
Total Time 14 minutes
Servings 6 portions
Calories 140kcal
Author missblasco

Equipment

  • Microwave
  • 4 x 5 inches microwave safe mold (10 x 12 cm)

Ingredients

  • 2 eggs
  • 2 tbsp heavy cream
  • 2 tbsp whole milk or 4 tbsp milk if not using cream
  • 2 tbsp coffee optional, replace with one more egg or milk
  • 1 tsp vanilla extract
  • 2 tbsp erythritol or monk fruit
  • ½ cup almond flour finely ground or coarsely ground for more texture
  • 2 tbsp coconut flour optional, for consistency
  • 1 tsp baking powder
  • 1 tbsp unsweetened cocoa powder add an extra tbsp for richer chocolate flavor
  • 1/4 cup walnut halves

Instructions

  • In a bowl, beat the eggs, milk, cream, coffee (if using), and vanilla extract until well combined.
  • Stir in erythritol. Whisk until completely dissolved.
  • In another bowl, combine almond flour, coconut flour, baking powder, and cocoa powder.
  • Add the dry ingredients to the wet ingredients and mix with a whisk until smooth and evenly blended.
  • Grease a microwave-safe glass dish (about 4x5 inches) with butter or coconut oil. (Or cover with parchment paper). Pour in the batter and arrange the walnuts evenly on top.
  • Cook for 2 minutes at 600W, rest for 2–3 minutes, then cook another 2 minutes at 600W.
  • Check the center, if it’s still liquid, cook for 30 seconds to 1 minute more.
  • Cool and serve.

Notes

  • Let the cake cool for several hours, then unmold and cut into small squares. The texture improves overnight.
  • While sugar-free, it still contains some carbohydrates and healthy fats from almond flour, coconut flour, nuts, and dairy.
  • If you prefer a vegan version, simply replace milk and cream with any plant-based alternative.
  • To sweeten naturally, you could use mashed banana or dates, though that would raise the glycemic index slightly.

Nutrition

Calories: 140kcal | Carbohydrates: 9g | Protein: 5g | Fat: 12g | Saturated Fat: 3g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 2g | Trans Fat: 0.01g | Cholesterol: 61mg | Sodium: 100mg | Potassium: 70mg | Fiber: 2g | Sugar: 1g | Vitamin A: 162IU | Vitamin C: 0.1mg | Calcium: 82mg | Iron: 1mg