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    Home » Recipes » Desserts

    Gluten Free Chocolate Mug Cake

    Published: Jan 22, 2025 by Lucy · This post may contain affiliate links · Leave a Comment

    Jump to Recipe
    A spoon holding some chocolate mug cake above a white ramekin.

    A rich and decadent 2 minute microwave Gluten Free Chocolate Mug Cake recipe that requires just 6 basic ingredients! The most delicious single serve dessert.

    A spoonful of gluten free chocolate cake.

    If you're a devoted chocolate fan (as I am), then this gluten free chocolate mug cake is just what you need in your life! An individual dessert made just for one (no sharing required!)

    Similar to my chocolate lava mug cake, but made for those who follow a gluten free diet, this mugful of gooey chocolate cake will satisfy any chocolate cravings when they hit!

    Mug cakes have a texture similar to a moist and fudgy brownie... and who's not obsessed with dense and chocolatey brownies?! Try my fudgy chocolate gluten free brownies if you want to share!

    Overhead shot of a chocolate mug cake dusted with icing sugar.

    Why You're Going To Love This Recipe

    There's a lot to love about a mug cake and this gluten free and egg free chocolate mug cake ticks all the boxes!

    • Quick and easy!!! - mix directly in the mug, and then microwave for one minute - it's that easy!
    • No mess - just one mug and a spoon to wash up!
    • Perfect for one - I'm thinking 'movie on the couch' here..... or when you don't want to be tempted with an entire cake, but you really NEED a chocolate hit!
    • Only 6 baking ingredients - and no egg required.
    • No need to turn the oven on - this recipe is made in the microwave for ultimate ease!
    A spoon above a small white ramekin of fudgy gluten free chocolate mug cake.

    What You Need

    Gluten free chocolate mug cake uses the basic baking staples of butter, sugar, cocoa, chocolate and gluten free self raising flour - that's it!

    Note: Scroll to the recipe card at the bottom for the ingredients quantities and full detailed method.

    Ingredients for gluten free mug cake.
    • Butter - softened to room temperature. Use real butter, salted or unsalted, rather than a butter substitute such as margarine.
    • Boiling water.
    • Cocoa powder - it's important to use a good quality baking cocoa powder for a superior intense chocolate flavour, so pick a well known brand such as Cadbury or Nestle made with 100% Dutch cocoa.
    • Caster sugar - this superfine sugar dissolves easily with the other ingredients.
    • Gluten free self-raising flour - I find the White Wings brand is very good.
    • Dark chocolate - melts, or squares from a block of chocolate. Once again, for the most intense chocolate flavour use a quality brand of baking chocolate.

    Equipment Required

    All you need for this gluten free chocolate mug cake is a large mug or ramekin, a spoon, and a microwave!

    Step By Step Instructions

    This gluten free mug cake is made in 3 easy steps, and 2 minutes!

    Note: Scroll to the recipe card at the bottom for the ingredients quantities and full detailed method.

    Step 1 - Melt The Butter

    Place the butter into a large mug or ramekin and pour over the boiling water. Stir until the butter has melted.

    Butter melted in a white mug.

    Step 2 - Add Dry Ingredients

    Add the cocoa powder, caster sugar and gluten free self raising flour to the mug, and mix ingredients together until the mixture is smooth.

    Flour, sugar and cocoa powder added to the mug.

    Step 3 - Add Chocolate And Bake

    Press the chocolate melts or squares into the centre of the mug.

    Ingredients mixed together in a ramekin.

    Place in the microwave for 1 minute on high. The cake should be cooked on the top while staying slightly gooey in the centre.

    If you think it's still a little undercooked (all microwaves are different), cook for a further 10 - 50 seconds on medium, in 15 second bursts.

    Serve mug cake whilst it is warm, adding a spoonful of ice cream or dollop of cream (optional but highly recommended!)

    Ice cream melted into a chocolate mug cake.

    Expert Tips

    This gluten free chocolate mug cake truly is as easy as 1,2,3!

    • Gluten free self raising flour - I used White Wings gluten free self raising flour, but you can use any brand of gluten free self raising flour that you like.
    • Cooking time - microwaves vary in their power levels, and therefore cooking time can vary for this mug cake. I recommend cooking your mug cake for 1 minute on full power to start with. However if you think it's still a little undercooked, then cook for a further 10 - 50 seconds, in 10-15 second extra bursts on medium, if required.
    • Don't overcook the mug cake! - you want it to still be slightly gooey in the middle. Stop cooking once the cake is cooked on top.
    • Watch the mug cake - watch it carefully in the microwave to make sure it doesn't overflow.
    • Make 2 portions - you can make this mug cake in two smaller mugs or ramekins rather than 1 large mug/ramekin if you want 2 serves.

    FAQ's

    Help, my mug cake overflowed!

    To ensure your mug cake doesn't overflow, make sure you use a large mug or ramekin as the self raising flour will expand the mixture, causing it to rise.
    Alternatively, make 2 portions in smaller mugs, however you may need to decrease the cooking time.

    Why is my mug cake hard instead of soft and gooey?

    Overmixing the batter, overcooking the mug cake, or cooking at too high a temperature are all ways that can make your mug cake a little hard or rubbery.
    Mix ingredients until just combined and no lumps remain.
    As power levels vary between microwaves, I recommend you start with one minute on high power. If your mug cake is a little undercooked after one minute, then reduce the temperature to medium power and cook in 10-15 second bursts just until the top is cooked whilst the inside is still a little gooey.

    A spoon holding up some gooey gluten free chocolate cake.

    Related Recipes

    Whether you follow a gluten free diet or not, gluten free or flourless baking can produce beautifully dense and moist cakes and dessert cakes. Why not try some of these delicious cakes?

    • A half eaten piece of white cake with almonds on top and fresh raspberries.
      Lemon & Ricotta Cake
    • A rich mousse chocolate cake with raspberries and chocolate ganache.
      3 Ingredient Flourless Chocolate Cake | Gluten-Free
    • Two pieces of moist gluten free lemon cake with a zesty sugar glaze.
      Gluten Free Lemon Drizzle Cake
    • A slice of moist almond and coconut cake with flaked almonds and icing sugar on top.
      Gluten-Free Almond and Coconut Cake

    WANT EVEN MORE DELICIOUS RECIPES? Subscribe to my newsletter or follow along on Facebook or Instagram. And if you love baking, then please come and join my Facebook cooking club group or subscribe to my YouTube channel. 

    A spoonful of a rich chocolate mug cake.

    Gluten Free Chocolate Mug Cake

    Our decadent microwave Gluten Free Chocolate Mug Cake is prepped, cooked and ready to eat in just 2 minutes!
    5 from 1 vote
    Print Pin Rate
    Course: Dessert
    Cuisine: Chocolate, western
    Diet: Gluten Free
    Prep Time: 1 minute minute
    Cook Time: 1 minute minute
    Total Time: 2 minutes minutes
    Servings: 1 serve
    Calories: 736kcal
    Author: Lucy - Bake Play Smile

    Ingredients

    • 2 tbs butter softened
    • 2 tbs boiling water
    • 2 tbs cocoa powder
    • 55 g (¼ cup) caster sugar
    • 40 g (¼ cup) gluten free self-raising flour see notes
    • 30 g dark chocolate melts or squares
    Metric - US Customary
    Prevent your screen from going dark

    Instructions

    • Select a large mug or ramekin.
    • Place the butter into your mug and pour over the boiling water. Stir until melted.
    • Add the cocoa powder, caster sugar and gluten free self-raising flour and mix together.
    • Press the dark chocolate into the centre of the mixture.
    • Microwave for 1 minute.
      The cake should be cooked on the top while staying slightly gooey in the middle.
      If you think it's still a little undercooked (all microwaves are very different), cook for a further 10 - 50 seconds on medium, in 15 second bursts.
    • Serve while warm with ice cream (optional).

    Notes

    • RECIPE NOTES & TIPS
    • Gluten free self raising flour - you can use any brand of gluten free self raising flour you like - personally I find the White Wings brand is very good.
    • Cooking time - all microwaves vary greatly with how long they will take to cook this mug cake. I recommend cooking it for 1 minute to start, and then in 15 second extra bursts if needed.
    • Don't overcook the mug cake! - you want it to be slightly gooey in the middle. Stop cooking when the cake is cooked on top.
    • If you think it's still a little undercooked (all microwaves are very different) - cook for a further 10 - 50 seconds on medium, in 15 second bursts.
    • Watch the cake - watch it carefully in the microwave to make sure it doesn't overflow.
    • Make 2 portions - you can make this mug cake in two smaller mugs or ramekins rather than 1 large mug/ramekin.

    Nutrition

    Calories: 736kcal | Carbohydrates: 98g | Protein: 7g | Fat: 36g | Saturated Fat: 22g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 10g | Trans Fat: 1g | Cholesterol: 61mg | Sodium: 190mg | Potassium: 262mg | Fiber: 4g | Sugar: 62g | Vitamin A: 712IU | Calcium: 37mg | Iron: 4mg
    Did you try this recipe?Mention @BakePlaySmileBlog or tag #BakePlaySmile!

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    5 from 1 vote (1 rating without comment)

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    I’m Lucy! A mum, a wife, a food blogger and a lover of all things to do with food! I love creating delicious, no-fuss Thermomix and conventional recipes the whole family will love. Classic baking favourites, lunch box snacks, quick and easy family dinners and more!

    More about me →

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