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.
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)