Biscoff Mug Cake is an easy and quick single serving treat. Just mix all the ingredients in a microwave-safe mug and bake it in the microwave for 90 seconds. Top it with whatever you like and enjoy it warm. YUMMY!

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Biscoff Mug Cake Recipe
It’s no secret that I love mug cakes, and I also love Biscoff spread! However, I thought of making one recipe that combines both.
And guess what? This biscoff mug cake turned out AMAZING; it is soft and fluffy and baked in the microwave for only a few seconds.
Seriously, I found this recipe to be a winner when it comes to texture and taste! Buttery and caramelly, the taste is nothing but perfection.
I also found this cake to be dry if baked for more than 90 seconds, so be aware of that.

Why I Love This Recipe
- This recipe has little to no wastage. It is a single serving dessert, which I can easily finish in one sitting without having to waste precious ingredients.
- I made this recipe in one mug, I can certainly save cleaning time because of minimal washing up.
- I didn't use a stand mixer or an electric mixer!
- This recipe can easily be altered to my liking.
Ingredients
Note: This is an overview of the ingredients. See the recipe card for full information on ingredients and quantities.
- Biscoff Spread. I used a smooth biscoff spread.
- All-purpose flour. My favorite flour for making mug cake recipes.
- Baking Powder. Help the batter to rise and be light and soft.
- Golder Caster Sugar. It adds sweetness to the mug cake.
- Oil. I used vegetable oil to make this mug cake moist!
- Egg. I used just one egg.
- Milk. I prefer to use whole milk.
Variations & Substitutions
- Add 2 tablespoons of white chocolate chips to the batter.
- Top this mug cake with either crushed Biscoff biscuits or whip cream.
- Use brown sugar instead of golden caster sugar if that what you have on hand.
How To Make Biscoff Mug Cake - Step by Step

One: In a small bowl, microwave the Biscoff spread for 10 seconds or until softened.
Two: Now, in another bowl, mix flour, baking powder, sugar, egg, milk and oil together well until combined.

Three: Stir in the melted Biscoff, then pour the mixture into a microwave-safe mug.
Four: Microwave for 60-90 seconds.
Five: Top with a teaspoon spoon of the Biscoff spread and sprinkle over the crushed biscuits crumbs (optional). Serve warm!
Expert Tips!
- Before combining all of the ingredients, sift the flour through a sieve to ensure that the finished mug cake will be fluffy and light.
- Use good quality baking powder for best results.
- Check if the mug you are using is labeled "microwave-safe" otherwise, it will break inside the microwave.
- Fill the mug up to ¾ only to give room for rising the batter. If you fill the mug to the brim, you will only make a mess inside your microwave.

Serving Suggestions
Personally, I like to serve my mug cake with a cup of Greek Yogurt Smoothie or Korean Strawberry Milk.
I also like to top it with extra Biscoff spread and some crushed biscuits crumbs.
You can drizzle this mug cake with chocolate sauce, or top it with a scoop or two of Biscoff ice cream.
Storage
I don't recommend to keep this mug cake longer than a day since it is best served fresh from the microwave. But if you have leftover it, wrap the mug cake with plastic wrap and refrigerate for just a day or so.

Recipe FAQs
Biscoff spread is a vegan-friendly product. However, the whole milk is not. Simply swap the whole milk for almond milk or any plant-based milk to make this recipe vegan-friendly.
Your mug cake became hard in texture because you over-mixed the batter. Just mix all the ingredients until everything is combined. You don't have to spend too much time mixing the batter. Also, It may be because you overbaked it.
More Mug Cake Recipes
- 3 Ingredient Peanut Butter Mug Cake
- Oreo Microwave Mug Cake Recipe
- Red Velvet Mug Cake (No Egg)
- Hot Cocoa Mug Cake
Easy Biscoff Recipes
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Easy Biscoff Mug Cake
Equipment
- Microwave-safe mug
Ingredients
- 3 tablespoon Biscoff Spread , crunchy
- 4 tablespoon All-purpose flour
- ½ teaspoon Baking Powder
- 2 tablespoon Golden Caster Sugar
- 2 tablespoon Vegetable Oil
- 1 Egg
- 3 tablespoon Whole Milk
Toppings (optional)
- 1 teaspoon Biscoff Spread
- 1 Biscuit , crushed into small crumbs
Instructions
- In a small bowl, microwave the Biscoff spread for 10 seconds or until softened.3 tablespoon Biscoff Spread
- Now, in another bowl, mix flour, baking powder, sugar, egg, milk and oil together well until combined.4 tablespoon All-purpose flour, ½ teaspoon Baking Powder, 2 tablespoon Vegetable Oil, 1 Egg, 3 tablespoon Whole Milk, 2 tablespoon Golden Caster Sugar
- Stir in the melted Biscoff, then pour the mixture into a mug. Microwave for 90 seconds.
- Top with a teaspoon spoon of the Biscoff spread and sprinkle over the crushed biscuits crumbs (optional). Serve warm!1 teaspoon Biscoff Spread, 1 Biscuit
Notes
- Before combining all of the ingredients, sift the flour through a sieve to ensure that the finished mug cake will be fluffy and light.
- Use good quality baking powder for best results.
- Check if the mug you are using is labeled "microwave-safe" otherwise, it will break inside the microwave.
- Fill the mug up to ¾ only to give room for rising the batter. If you fill the mug to the brim, you will only make a mess inside your microwave.
Elena says
I love it, thanks!
Heather says
Did you use a smooth or crunchy Biscoff spread?
Radwa says
I used crunchy.