High-Protein Cinnamon Mug Cake

Quick Description
This High-Protein Cinnamon Mug Cake tastes like a mini cinnamon roll with cream cheese frosting — but it’s packed with protein and made in the microwave in under 2 minutes.
Perfect for:
• Late-night sweet cravings
• High-protein breakfast
• Post-workout treat
• Weight-loss friendly dessert
Servings & Timing
- Serves: 1
- Prep Time: 3 minutes
- Cook Time: 60–90 seconds
- Total Time: 5 minutes
Ingredients
Cake Base
- 1 scoop (30g) vanilla whey or casein protein powder
- 2 tbsp oat flour (or almond flour for lower carb)
- ½ tsp baking powder
- ½ tsp cinnamon
- Pinch salt
- 1 tbsp powdered monk fruit (or sweetener of choice)
- 1 egg (or 3 tbsp egg whites)
- 2 tbsp Greek yogurt
- 2–3 tbsp unsweetened almond milk
- ½ tsp vanilla extract
Cinnamon Swirl (Optional but recommended)
- 1 tsp cinnamon
- 1 tsp melted butter or coconut oil
- 1 tsp sweetener
Mix together to form paste.
High-Protein Cream Cheese Frosting
- 2 tbsp light cream cheese
- 1 tbsp Greek yogurt
- 1 tbsp vanilla protein powder
- 1 tsp powdered sweetener
- Splash almond milk (if needed to thin)
Mix until smooth and creamy.
Step-By-Step Instructions
Mix Dry Ingredients
In a microwave-safe mug combine:
- Protein powder
- Oat flour
- Baking powder
- Cinnamon
- Salt
- Sweetener
Stir well.
Add Wet Ingredients
Add:
- Egg
- Greek yogurt
- Almond milk
- Vanilla
Mix until smooth batter forms.
If too thick → add 1 tsp milk.
Add Cinnamon Swirl
Drop cinnamon mixture on top and swirl with toothpick.
This gives cinnamon roll flavor.
Microwave
Microwave:
- 60 seconds (check)
- Add 10–15 seconds if needed
Do not overcook or it gets rubbery.
Cake should be soft and slightly springy.
Frost
Let cool 1 minute.
Spread high-protein cream cheese frosting on top.
Optional: dust with cinnamon.
Nutrition (Approximate)
Calories: ~350
Protein: 35–40g
Carbs: 18–22g (lower with almond flour)
Fat: 10–12g
Low-carb version drops carbs to ~10–12g.
Make It Even Higher Protein
- Use 1.5 scoops protein powder
- Add 1 tbsp collagen
- Replace whole egg with egg whites