High-Protein Fluffy Vanilla Mug Cake

ByHannah Peterson

This single-serve microwave mug cake rises beautifully and has a light, fluffy texture with a golden top. It’s ready in minutes, packed with protein, and satisfies sweet cravings without the carbs.

Why You’ll Love This Recipe

  • Extremely high protein for a dessert
  • Ready in under 5 minutes
  • Low carb, sugar-free, and keto-friendly
  • Perfect single-serve treat or quick breakfast
  • Customizable with your favorite flavors

Ingredients (1 large mug cake)

  • 1 large egg
  • 2 tbsp (30g) full-fat Greek yogurt or cottage cheese (blended smooth)
  • 2 tbsp (20g) vanilla whey protein powder
  • 2 tbsp (15g) almond flour
  • 1 tbsp allulose or monk fruit sweetener
  • ½ tsp baking powder
  • ½ tsp vanilla extract
  • Pinch of salt
  • Optional: 1 tbsp sugar-free chocolate chips or a dash of cinnamon

Instructions

  1. In a large microwave-safe mug (at least 12–16 oz), whisk the egg and Greek yogurt until smooth.
  2. Add protein powder, almond flour, sweetener, baking powder, vanilla, and salt. Stir until a thick, smooth batter forms. Fold in chocolate chips if using.
  3. Microwave on high for 1 minute 30 seconds to 2 minutes (depending on your microwave). The cake should rise nicely and spring back when touched. If it needs more time, microwave in 15-second increments.
  4. Let cool for 1–2 minutes. Enjoy directly from the mug or invert onto a plate.

Prep Time: 2 minutes Cook Time: 1.5–2 minutes Total Time: Under 5 minutes

Nutrition (Per Mug Cake)

  • Calories: ~280
  • Protein: 28g (very high)
  • Total Carbs: 8g
  • Net Carbs: 5g
  • Fat: 16g

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