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Overhead view of a fudgy keto chocolate mug cake with a swirled top, topped with four fresh raspberries, in a black and white ceramic mug on a white marble surface
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Chocolate Mug Cake

An easy, fudgy chocolate mug cake topped with chocolate frosting, made in 60 seconds in the microwave. Made with chocolate protein powder and sugar-free sweetener for a simple, low-carb, sugar-free, keto-friendly dessert with 22 grams of protein for the entire recipe, frosting included.
Keyword chocolate mug cake, gluten free recipes, keto recipes, low carb recipes, microwave dessert, Protein Powder Recipes, sugar free recipes
Prep Time 5 minutes
Cook Time 1 minute
Total Time 6 minutes
Servings 1 serving
Calories 423.31kcal

Ingredients

Cake

Frosting

Instructions

  • Mix egg, oil, and vanilla extract in a large mug until the egg is completely blended.
  • Stir in chocolate protein powder, sweetener, cocoa powder, and baking powder.
  • Microwave on full power for about 60 seconds until it has risen to double the height and is cooked through.
  • Mix melted butter, heavy cream, sweetener, chocolate protein powder, and cocoa powder until smooth.
  • Frost cake as desired, then serve immediately.

Notes

Nutrition and carbs - Some nutrition labels omit sugar alcohols or allulose from the nutrition calculation since it does not affect blood sugar. For transparency, I have included all carbs and calculated the net carbs below. Always use a food logging app like Cronometer according to the brands you use in order to get accurate nutrition information.
44.80 Total Carbs – 5.00 Fiber – 36.01 Sugar Alcohols – 0 Allulose = 3.88 Net Carbs for entire recipe (cake and frosting included)

Nutrition

Serving: 157.7g | Calories: 423.31kcal | Carbohydrates: 44.8g | Protein: 17.4g | Fat: 37.3g | Saturated Fat: 13.9g | Trans Fat: 0.7g | Cholesterol: 240.9mg | Sodium: 553.3mg | Potassium: 757.6mg | Fiber: 5g | Sugar: 1.9g | Vitamin A: 346.08IU | Vitamin C: 40.91mg | Calcium: 364.46mg | Iron: 2.93mg | Net Carbohydrates: 3.88g | Sugar Alcohols: 36.01g | Allulose: 0g