Hi👋 I’m MARILYN, a 34-year-old from the United Kingdom. Cooking is my passion, and I love sharing delicious, easy-to-follow recipes. Join me on marilynrecipes.com to explore a world of culinary delights, from comforting classics to innovative creations. Let’s make cooking fun and enjoyable for everyone! Cooking is about more than just food it’s about sharing stories and making memories.
One rainy Saturday morning, I remember craving something sweet but didn’t want to spend hours in the kitchen or ruin my healthy eating plan. That’s when I discovered the magic of this High-Protein Vanilla Mug Cake. Soft, fluffy, and packed with protein, it felt like a warm hug in a mug. Since then, it has become my go-to comfort treat when I need a quick dessert or a cozy snack.
I’ve shared this recipe with friends and family countless times, and every single person loves how easy it is to make and how delicious it tastes. Whether you want to enjoy it after a workout or as an indulgent morning treat, this mug cake hits all the right notes.
Why I Love Making This Recipe
I love this High-Protein Vanilla Mug Cake because it’s fast, satisfying, and totally guilt-free. There’s something so comforting about the smell of vanilla filling the kitchen while the cake cooks in the microwave. I also appreciate that I can adjust it depending on my mood — add chocolate chips, berries, or a swirl of peanut butter for an extra special treat.
The simplicity is what makes it so lovable. No flour mess, no long baking times, and yet the result is a soft, tender cake that feels like it took way more effort than it actually did.
Ingredients & Little Kitchen Secrets
Here’s what you’ll need to whip up your own High-Protein Vanilla Mug Cake:
- 1 scoop vanilla protein powder (about 30g)
- 1 tbsp oat flour (or almond flour)
- 1 tsp baking powder
- 1 tbsp sweetener of choice (like stevia or maple syrup)
- 3 tbsp unsweetened almond milk (or any milk)
- 1 egg (or 2 tbsp egg whites for lower calories)
- 1 tsp vanilla extract
- Optional: 1 tsp mini chocolate chips or berries
Kitchen Secrets:
- Make sure your mug is microwave-safe and at least 250ml in size the cake rises quickly.
- Don’t overmix your batter; fold gently for fluffier texture.
- If using a flavored protein powder, reduce additional sweetener slightly to avoid overpowering sweetness.
How I Make It, Step by Step
- Grab a medium microwave-safe mug and lightly spray it with cooking oil or a little butter.
- In a small bowl, mix the protein powder, oat flour, and baking powder until well combined.
- In another bowl, whisk together the milk, egg, sweetener, and vanilla extract until smooth.
- Pour the wet ingredients into the dry ingredients and fold gently until a thick batter forms. Add optional chocolate chips or berries now.
- Transfer the batter into the prepared mug, spreading it evenly.
- Microwave on high for 60–90 seconds, keeping a close eye. The cake should rise and feel firm but still soft to touch.
- Let it cool for a minute or two — it’s ready to enjoy straight from the mug!
How I Serve It at Home
I usually sprinkle a few more chocolate chips or a dusting of cinnamon on top for an extra cozy touch. Sometimes, I add a dollop of Greek yogurt or a drizzle of peanut butter for creaminess. It’s perfect for a quick breakfast, an afternoon pick-me-up, or even a guilt-free late-night dessert.
I like sitting with my mug by the window, watching the rain and enjoying every warm, fluffy bite. It feels like a little slice of happiness in just a few minutes.
Storage, Reheating & Make-Ahead Tips
- Storage: This mug cake is best enjoyed fresh. However, you can make the batter ahead of time and keep it in the fridge for up to 24 hours.
- Reheating: If eating later, microwave for 20–30 seconds to warm it up without drying it out.
- Make-Ahead: You can pre-portion dry ingredients into small containers for multiple mug cakes just add wet ingredients when ready to cook.
100-Word Short Version
Craving a cozy, protein-packed treat? My High-Protein Vanilla Mug Cake is ready in under 5 minutes! Soft, fluffy, and loaded with vanilla flavor, it’s perfect for breakfast, dessert, or an anytime snack. Mix protein powder, oat flour, egg, milk, and vanilla, then microwave in a mug. Optional chocolate chips or berries take it to the next level. Quick, guilt-free, and comforting, this mug cake is a staple in my kitchen perfect for busy mornings, post-workout cravings, or a rainy-day treat. Enjoy it warm with a sprinkle of your favorite toppings!
Recipe Card Section
⏱️ Time
- Prep: 3 minutes
- Cook: 1–2 minutes
- Total: 5 minutes
🛒 Ingredients
- 1 scoop vanilla protein powder (30g)
- 1 tbsp oat flour
- 1 tsp baking powder
- 1 tbsp sweetener of choice
- 3 tbsp unsweetened almond milk
- 1 egg (or 2 tbsp egg whites)
- 1 tsp vanilla extract
- Optional: 1 tsp mini chocolate chips or berries
👩🍳 Instructions
- Lightly grease a microwave-safe mug.
- Mix protein powder, oat flour, and baking powder in a small bowl.
- Whisk milk, egg, sweetener, and vanilla in another bowl.
- Fold wet ingredients into dry ingredients until smooth. Add optional mix-ins.
- Pour into mug and microwave 60–90 seconds.
- Cool slightly and serve warm with toppings.
📝 Notes
- Use a large mug to prevent overflow.
- Don’t overmix batter for fluffier texture.
- Pre-portion dry ingredients for a quick make-ahead option.
🍽️ Nutrition
- Calories: ~210
- Protein: 25g
- Carbs: 12g
- Fat: 6g
- Fiber: 2g
- Sugar: 3g
High-Protein Vanilla Mug Cake
- Prep Time: 3 minutes
- Cook Time: 1-2 minutes
- Total Time: 5 minutes
- Yield: 1 serving 1x
- Category: Dessert
- Method: Microwave
- Cuisine: British
Description
Cozy, quick, and guilt-free, this High-Protein Vanilla Mug Cake is ready in under 5 minutes. Soft, fluffy, and full of vanilla flavor, it’s perfect for breakfast, snack, or dessert. Enjoy it warm with a sprinkle of chocolate chips, berries, or your favorite toppings for a comforting treat anytime.
Ingredients
- 1 scoop vanilla protein powder (30g)
- 1 tbsp oat flour
- 1 tsp baking powder
- 1 tbsp sweetener of choice
- 3 tbsp unsweetened almond milk
- 1 egg (or 2 tbsp egg whites)
- 1 tsp vanilla extract
- Optional: 1 tsp mini chocolate chips or berries
Instructions
- Lightly grease a microwave-safe mug.
- Mix protein powder, oat flour, and baking powder in a small bowl.
- Whisk milk, egg, sweetener, and vanilla in another bowl.
- Fold wet ingredients into dry ingredients until smooth. Add optional mix-ins.
- Pour into mug and microwave 60–90 seconds.
- Cool slightly and serve warm with toppings.
Notes
Use a large mug to prevent overflow. Don’t overmix batter for fluffier texture. Pre-portion dry ingredients for a quick make-ahead option.
Nutrition
- Serving Size: 1 mug
- Calories: 210
- Sugar: 3g
- Sodium: 120mg
- Fat: 6g
- Saturated Fat: 1.5g
- Unsaturated Fat: 4.5g
- Trans Fat: 0g
- Carbohydrates: 12g
- Fiber: 2g
- Protein: 25g
- Cholesterol: 55mg
Conclusion
This High-Protein Vanilla Mug Cake is more than just a dessert it’s a cozy, comforting hug in a mug. It’s quick, satisfying, and full of love. I hope it brings a little warmth and happiness to your kitchen the way it does in mine. Cooking, after all, is about creating memories, sharing joy, and making life a little sweeter one mug cake at a time.