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.
Today, I want to share one of my absolute favorite quick treats: Sugar-Free Vanilla Mug Cake. This little mug of joy has saved me on countless lazy afternoons or when I suddenly crave something sweet but don’t want to derail my healthy eating habits. The soft, fluffy texture combined with the warm aroma of vanilla instantly brings comfort. Whether it’s for a solo indulgence or a quick surprise for my kids after school, this mug cake never disappoints.
Whenever I make this Sugar-Free Vanilla Mug Cake, I remember the first time I created it during a rainy Saturday afternoon. I wanted something sweet but didn’t have any sugar in the house. I experimented, adjusted, and voilà a simple, single-serving cake in a mug that felt like a hug in dessert form. Since then, it’s become a staple in my kitchen. I’ve made it dozens of times, tweaking it for the perfect texture and flavor, and every time it turns out wonderfully soft, fluffy, and utterly satisfying.
Why I Love Making This Sugar-Free Vanilla Mug Cake
There’s something so magical about a dessert that comes together in five minutes. I love this recipe because it’s:
- Quick and easy – literally a few minutes in the microwave.
- Guilt-free – sugar-free but still sweet enough to satisfy cravings.
- Perfectly portioned – no leftovers, just the right amount for one.
- Versatile – you can add chocolate chips, berries, or nuts for a twist.
Cooking for me is about creating moments of joy, even in the simplest ways. This mug cake is a reminder that comfort doesn’t always require hours in the kitchen.
Ingredients & Little Kitchen Secrets
Here’s what I use for my Sugar-Free Vanilla Mug Cake:
- 4 tablespoons almond flour (or oat flour for a lighter texture)
- 1 tablespoon coconut flour
- 2 tablespoons erythritol (or any sugar substitute you prefer)
- 1/4 teaspoon baking powder
- A pinch of salt
- 3 tablespoons milk (dairy or plant-based)
- 1/2 teaspoon pure vanilla extract
- 1 tablespoon melted coconut oil or unsalted butter
- Optional: sugar-free chocolate chips or fresh berries
Little Kitchen Secrets:
- Sift your flours and baking powder together for a lighter, fluffier cake.
- Use a small mug (around 250ml) to avoid overflow.
- Don’t overcook microwave times vary, so start with 60 seconds and check for doneness.
How I Make It, Step by Step
- In a small bowl, mix almond flour, coconut flour, erythritol, baking powder, and salt.
- Stir in milk, vanilla extract, and melted coconut oil until smooth.
- Optional: fold in sugar-free chocolate chips or berries.
- Pour the batter into a greased microwave-safe mug.
- Microwave on high for 60–75 seconds, or until the cake has risen and is set but still soft.
- Let it cool for a minute before digging in hot mug cakes are best enjoyed warm.
How I Serve It at Home
I like to top mine with a dollop of sugar-free whipped cream or a drizzle of sugar-free caramel sauce. A few fresh raspberries or a sprinkle of cinnamon can make it feel extra special. I often make one for myself with my afternoon tea it feels like a tiny celebration in the middle of the day.
Storage, Reheating & Make-Ahead Tips
Since this is a single-serving mug cake, I usually eat it immediately. But if you do want to prepare it in advance:
- Refrigeration: Store the batter in the fridge for up to 24 hours and microwave fresh.
- Reheating: Microwave leftovers for 20–30 seconds to bring back softness.
- Make-Ahead: You can double the recipe in a larger microwave-safe dish for two servings.
100-Word Short Version
This Sugar-Free Vanilla Mug Cake is my quick, guilt-free treat for when I crave something sweet. Made with almond flour, coconut flour, erythritol, and a touch of vanilla, it’s soft, fluffy, and ready in under two minutes. I mix the dry ingredients, stir in milk and melted coconut oil, pour into a greased mug, and microwave until set. Optional chocolate chips or berries make it extra special. I love it warm with a dollop of sugar-free whipped cream. Perfect for solo indulgence or a cozy treat, this mug cake is a comforting, quick dessert I make again and again.
⏱️ Time
- Prep: 3 minutes
- Cook: 1–2 minutes
- Total: 5 minutes
🛒 Ingredients
- 4 tablespoons almond flour
- 1 tablespoon coconut flour
- 2 tablespoons erythritol
- 1/4 teaspoon baking powder
- Pinch of salt
- 3 tablespoons milk
- 1/2 teaspoon vanilla extract
- 1 tablespoon melted coconut oil
- Optional: sugar-free chocolate chips or berries
👩🍳 Instructions
- Mix almond flour, coconut flour, erythritol, baking powder, and salt in a small bowl.
- Stir in milk, vanilla extract, and melted coconut oil until smooth.
- Fold in chocolate chips or berries, if using.
- Pour into a greased microwave-safe mug.
- Microwave on high for 60–75 seconds until set.
- Let cool for a minute and enjoy warm.
📝 Notes
- Sift flours for fluffiness.
- Adjust microwave time based on your appliance.
- Top with sugar-free whipped cream, berries, or cinnamon for extra flavor.
🍽️ Nutrition
- Calories: 180
- Sugar: 0g
- Sodium: 50mg
- Fat: 14g
- Saturated Fat: 6g
- Carbohydrates: 8g
- Fiber: 3g
- Protein: 5g
Sugar-Free Vanilla Mug Cake
- Prep Time: 3 minutes
- Cook Time: 2 minutes
- Total Time: 5 minutes
- Yield: 1 serving 1x
- Category: Dessert
- Method: Microwave
- Cuisine: British
Description
This Sugar-Free Vanilla Mug Cake is a quick, fluffy, and guilt-free treat perfect for solo indulgence or a cozy afternoon. Made with almond flour, coconut flour, erythritol, and a touch of vanilla, it’s ready in under five minutes and brings comfort in every bite.
Ingredients
- 4 tablespoons almond flour
- 1 tablespoon coconut flour
- 2 tablespoons erythritol
- 1/4 teaspoon baking powder
- Pinch of salt
- 3 tablespoons milk
- 1/2 teaspoon vanilla extract
- 1 tablespoon melted coconut oil
- Optional: sugar-free chocolate chips or berries
Instructions
- Mix almond flour, coconut flour, erythritol, baking powder, and salt in a small bowl.
- Stir in milk, vanilla extract, and melted coconut oil until smooth.
- Fold in chocolate chips or berries, if using.
- Pour into a greased microwave-safe mug.
- Microwave on high for 60–75 seconds until set.
- Let cool for a minute and enjoy warm.
Notes
Sift flours for fluffiness. Adjust microwave time based on your appliance. Top with sugar-free whipped cream, berries, or cinnamon for extra flavor.
Nutrition
- Serving Size: 1 mug
- Calories: 180
- Sugar: 0g
- Sodium: 50mg
- Fat: 14g
- Saturated Fat: 6g
- Unsaturated Fat: 8g
- Trans Fat: 0g
- Carbohydrates: 8g
- Fiber: 3g
- Protein: 5g
- Cholesterol: 0mg
Conclusion
This Sugar-Free Vanilla Mug Cake is one of my favorite little indulgences quick, cozy, and absolutely comforting. I love how it brings a little joy to my afternoons and makes dessert guilt-free. Cooking doesn’t have to be complicated, and sometimes the simplest recipes create the happiest memories. From my kitchen to yours, enjoy this warm, fluffy mug cake with love and a big smile.