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Home » Mug Cakes

Best Biscoff Mug Cake

Published: Oct 7, 2023 by Zoha · This post may contain affiliate links · 12 Comments

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This Biscoff Mug Cake takes only 5 minutes to make, and is the perfect single serve dessert to satisfy your late night sweet cravings. It is moist, tender, and full of the delicious Biscoff flavor we have come to love. In fact, it is better than any Biscoff cake I've ever eaten, which is saying something since microwave cakes are usually not comparable to oven-baked cakes.

Overhead picture of a Biscoff mug cake in a glass mug, covered in biscoff cookie butter and crushed cookies. spoon taking out a bite revealing moist texture inside

If you are a fan of Biscoff, you should also check out my viral Easy Biscoff Tiramisu recipe!

Jump to:
  • WHAT IS BISCOFF?
  • WHAT DOES BISCOFF TASTE LIKE?
  • INGREDIENTS NEEDED
  • HOW TO MAKE THIS BISCOFF MUG CAKE
  • TIPS TO MAKE THE BEST BISCOFF MUG CAKE
  • FREQUENTLY ASKED QUESTIONS
  • RELATED RECIPES
  • BEST BISCOFF MUG CAKE RECIPE

WHAT IS BISCOFF?

Lotus Biscoff is the name of a popular cookie (or biscuit) meant to be eaten with coffee (Bis-coff is a word play on biscuits and coffee). The crispy cookie has hints of caramel and subtle warmth from spices, and was popularized by airlines.

Based on the popularity of the cookies, Lotus Biscoff also made a Biscoff Cookie Butter, which is now commonly available as a spread similar to (and perhaps equally as popular as) Nutella. Biscoff Cookie Butter is smooth and rich with delicious hints of caramel and warm spices similar to the cookies, and has become an extremely popular ingredient to use in desserts.

Side picture of a Biscoff mug cake in a glass mug, covered in biscoff cookie butter and crushed cookies
Side picture of a Biscoff mug cake in a glass mug, covered in biscoff cookie butter and crushed cookies. Spoon pulling out a bite

WHAT DOES BISCOFF TASTE LIKE?

Biscoff cookie butter tastes just like Biscoff cookies in a spread. It is sweet and slightly spicy, with the dominant flavor of toasted caramel and slight hints of cinnamon. It is truly delicious and tastes warm and buttery without being overpowered by spice!

INGREDIENTS NEEDED

This simple recipe requires only 6 basic ingredients you should already have in your pantry:

  • Biscoff cookie butter - this is the key ingredient in this recipe. You can also use any other brand's cookie butter, or speculoos
  • Milk - you can use dairy or non-dairy
  • Oil
  • All purpose flour
  • Sugar
  • Baking powder
  • Optional: Salt, vanilla

HOW TO MAKE THIS BISCOFF MUG CAKE

Watch this short video in which I demonstrate how to make this five minute Biscoff mug cake:

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TIPS TO MAKE THE BEST BISCOFF MUG CAKE

Mug cakes are easy, but tricky at the same time as several things can go wrong with them, making them dry and muddy. Here are some tips to get this right:

  1. Choose the right kind of mug. It should be microwave safe, and have around 10-12oz of capacity (ideally 12). The cake won't take up the full mug, but can rise quite a bit in the microwave, and using a big enough mug will help ensure the batter does not spill and the cake doesn't "explode"
  2. Measure accurately, especially the flour. Instead of using random spoons, use proper measuring spoons to get the quantities right. For flour, make sure to first fluff it up and then add to the spoon, swiping off any excess
  3. Add the wet ingredients first, then sift in the dry ingredients. If you start with dry ingredients, they can stick to the bottom of the mug resulting in clumps of flour in the cake
  4. Sift the dry ingredients. Since we are pretty much dumping everything into the mug, I recommend sifting the dry ingredients to minimize any lumps
  5. Cook for the right amount of time. This cake can take between 60-90s depending on your microwave's strength and the size of your mug. You should stop cooking it as soon as the top feels set, as otherwise it will overcook and become dry
Overhead picture of a Biscoff mug cake in a glass mug, covered in biscoff cookie butter and crushed cookies
Side picture of a Biscoff mug cake in a glass mug, covered in biscoff cookie butter and crushed cookies. Spoon taking out a bite

FREQUENTLY ASKED QUESTIONS

Can I make this cake in an oven or air fryer?

This recipe has been specifically developed for a microwave, and I have not tested it in an oven or air fryer. Therefore, I cannot recommend using either and suggest using a microwave.

What is a substitute for Biscoff cookie butter?

You can use any other cookie butter (or biscuit butter) for this recipe. Unfortunately, cookie butter cannot be substituted for other types of spreads or butters.

Why is my Biscoff mug cake dry?

Mug cakes tend to be a bit more crumbly as they don't contain eggs, but the cake should not be dry. Dryness indicates either too much flour or overcooking.

RELATED RECIPES

This recipe is a part of my midnight mug cake series! Check out the other incredible mug cake recipes here:

  • Molten Lava Chocolate Mug cake in a glass mug, with a small spoon taking out a bite revealing moist texture and molten chocolate instead
    Best Molten Lava Chocolate Mug Cake
  • chocolate mug cake in a glass mug with a moist cake topped off with nutella, spoon pulling off a bite revealing moist texture of the cake
    TikTok Viral 5 Minute Chocolate Mug Cake
  • oreo chocolate mug cake in a glass mug topped with melted chocolate and crushed oreos
    The Best Five Minute Oreo Mug Cake
  • carrot mug cake in a glass mug with a spoon taking out a bite revealing soft moist interior
    5 Minute Carrot Mug Cake
  • a glass mug from the side with a deep red red velvet cake inside with cream cheese frosting, spoon is pulling out a bite revealing moist texture inside
    5 Minute Red Velvet Mug Cake
Print
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Overhead picture of a Biscoff mug cake in a glass mug, covered in biscoff cookie butter and crushed cookies. spoon taking out a bite revealing moist texture inside

BEST BISCOFF MUG CAKE RECIPE


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

4.2 from 5 reviews

  • Author: Zoha
  • Total Time: 5 min
  • Yield: 1
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Description

An incredibly tender and moist Biscoff mug cake made in just 5 minutes to satisfy your late night sweet cravings


Ingredients

  • 3 tbsp Biscoff cookie butter
  • 4 tbsp milk
  • 1 tbsp vegetable oil
  • 4 tbsp all purpose flour
  • 1 tablespoon granulated sugar
  • ¼ teaspoon baking powder
  • ¼ tsp vanilla
  • Pinch of salt

Instructions

  • In a 10-12oz microwave safe mug, stir together the Biscoff cookie butter, milk and oil until well combined
  • Add the sugar and stir in
  • Sift in the flour, baking powder, vanilla and pinch of salt, and gently stir until combined. Take care to scrape the edges and bottom of the mug
  • Clean the edges of the mug and microwave on high for 60-90s (it takes me 80s to make this cake)
  • Serve warm, with some more Biscoff cookie butter spread on top
  • Prep Time: 3 min
  • Cook Time: 2 min
  • Category: Dessert
  • Cuisine: American

Did you make this recipe?

Leave a review and tag @bakewithzoha on Instagram!

Note: This post contains affiliate links.

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Comments

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  1. Zehra says

    January 03, 2024 at 6:04 pm

    Delicious and easy!

    Reply
    • Zoha says

      January 05, 2024 at 2:14 pm

      Thank you! <3

      Reply
  2. Bree says

    February 19, 2024 at 6:13 pm

    Forgot to add the sugar but honestly it turned out perfectly! Texture was moist and fluffy. Perfect amount of gentle sweetness without being cloying. Absolutely perfect!

    Reply
    • Zoha says

      February 21, 2024 at 3:09 am

      So glad to hear that, Bree!!

      Reply
  3. Hira Irfan says

    May 28, 2024 at 11:58 am

    Very appropriately sweet and moist and so darn quick - this will be a regular at my house.

    Reply
    • Zoha says

      July 10, 2024 at 1:08 pm

      Thanks so much, Hira!

      Reply
  4. Shrina says

    October 24, 2024 at 11:30 pm

    hey lovely. we don't have a microwave. can you mug cake recipes be cooked in an oven please?

    Reply
    • Zoha says

      October 31, 2024 at 8:15 pm

      Microwave recipes are developed for microwaves and not tested in the oven 🙂 You can try but I don't think it will work quite as well!

      Reply
  5. Guuch says

    May 15, 2025 at 6:56 am

    This is the best biscoff mug cake recipe on the internet! Tastes bloody amazing

    Reply
    • Zoha says

      May 16, 2025 at 1:43 pm

      Aw thank you!!!

      Reply
  6. Bob says

    May 16, 2025 at 2:13 pm

    Way too dense to the point of feeling sick. Not one of the best I have tried.

    Reply
    • Zoha says

      May 27, 2025 at 8:34 pm

      Hi Bob - this cake shouldn't be dense. I wonder if you added too much flour or overcooked it?

      Reply
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Hi, I'm Zoha! Self taught home-baker, massive sweet tooth, lover of all things baked and content creator behind Bake With Zoha.

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