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    Home Recipes Cake Recipes

    Easy No-Bake Lime Gluten Free Mug Cake

    Published: Jun 26, 2017 · Modified: Mar 4, 2021 by Sandi Gaertner · 18 Comments · As an Amazon Associate, I earn from qualifying purchases.

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    This easy lime gluten free mug cake with lime icing is moist and delicious. Even better? It cooks in your microwave in just 90 seconds! No hot oven needed; which is awesome because it is too hot to use the oven now. (Dairy-free too!)

    Drizzling icing over a gluten free lime mug cake.
    Jump to:
    • Why this recipe is so good:
    • Ingredient Notes:
    • Recipe Step-By-Step Directions:
    • Tips and Recipe FAQ:
    • More Yummy Gluten Free Dessert Recipes:
    • 📖 Recipe
    • Fearless Dining
    • 💬 Comments

    Doesn't this gluten free AND dairy-free lime cake look delicious? I was worried the microwave would dry it out, but it didn't dry at all. Each bite is bursting with lime flavor! This mug cake has lime icing, but you could easily use regular frosting and make this a cupcake in a mug!

    I will be creating a lot of fun mug cake recipes over the next few months if the weather stays this hot.

    If you love the idea of making and eating the cake in under 5 minutes, check out all of my incredible gluten free mug cake recipes!

    Why this recipe is so good:

    1. This quick and easy lime mug cake is full of juicy lime flavors. Topped with sweet icing to balance out the tartness, this cake is so good.
    2. I still can't believe how fast you can make this! All you need is 3 minutes!
    3. Use the microwave for this gluten free mug cake! It sounds funny, but you can get a moist and delicious cake in your favorite mug!
    4. You can make this gluten free microwave cake in many flavors, like this Gluten Free Cherry Cobbler Mug Cake.
    A spoon holding up a bite of lime gluten free mug cake.

    Don't forget to try this easy, dairy-free, Gluten Free Snickerdoodle Mug Cake, too!

    Top Pick
    King Arthur, Measure for Measure Flour 3 lbs
    King Arthur, Measure for Measure Flour 3 lbs

    This is one of my favorite gluten-free flour blends for cookies, cakes, pie crust, biscuits, and muffins! (Do not use this flour blend for yeast recipes.)

    Buy Now
    We earn a commission if you make a purchase, at no additional cost to you.

    Ingredient Notes:

    My DIY Gluten Free Flour Blend works well in my mug cake recipes!

    • Gluten free flour blend - I tested this recipe using Bob's Red Mill 1 to 1 Gluten Free Flour Blend and King Arthur's Measure for Measure Gluten Free Blend. That doesn't mean others will not work; I have not tested other flours.
    • Xanthan gum - If your gluten free flour blend doesn’t contain xanthan gum or guar gum, please add 1 teaspoon.
    • Almond milk - I used almond milk, but other dairy-free types of milk will work; I do not recommend canned coconut milk.

    Recipe Step-By-Step Directions:

    If you have wondered how to make a gluten free version of a mug cake, follow along!

    A mug with baking powder and lots of lime zest on a cutting board.

    Step 1: Zest and juice your limes. This cake is full of fresh lime flavors. I not only use lime juice but lots of lime zest!

    Step 2: Add the wet ingredients to a small bowl and whisk to blend. Add your dry ingredients and mix.

    Lime cake batter in a bowl.

    Here is the lime cake batter. Notice the consistency is not thick....this helps keep the cake light and fluffy.

    Step 3: Spray your mug lightly with spray oil.

    Step 4: Pour the cake batter into your favorite mug and microwave on high for 90 seconds. The mug cake will rise, then fall as it cooks. Be careful because the cooked cake will be hot.

    Microwave gluten free mug cake is in a white mug with fresh limes.

    Tips and Recipe FAQ:

    How do you know when the mug cake is done cooking?

    You can do the toothpick test, but it isn't as accurate because of the texture of the cake. I like to touch the top of the cake. If it feels firm, the cake is done cooking.

    Can you use other flavors like lemon?

    You can easily switch out the lime for lemon to make this a lemon cake.

    Can you bake this in the oven?

    You could bake this mug cake in the oven, but that defeats the cake in 3 minutes of excitement.

    Is it possible to make mug cakes less spongy?

    The sponginess comes from using oil. If you are okay with dairy, use butter for a lighter, fluffier texture and mouthfeel.

    How do you get the cake out of the mug?

    I spray my mug lightly with light oil spray. This helps the mug cake slide out more easily.

    If you love mug cakes as much as I do, check out all of my delicious gluten free mug cake recipes.

    More Yummy Gluten Free Dessert Recipes:

    • Paleo Lemon Bars
    • Gluten Free Lemon Poppy Seed Cake
    • Easy Gluten Free Chocolate Mug Cake

    📖 Recipe

    drizzling icing over a gluten free lime mug cake

    Gluten Free Dairy Free Lime Mug Cake

    Sandi Gaertner
    This is an easy gluten free and dairy free lime mug cake that cooks in your microwave in just 90 seconds.
    4.84 from 12 votes
    dairy free allergen icon
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    Print Recipe Pin Recipe Save RecipeSaved!
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    Prep Time 5 minutes mins
    Cook Time 2 minutes mins
    Total Time 7 minutes mins
    Course Gluten Free Dessert Recipes
    Cuisine American
    Servings 1
    Calories 625 kcal

    *As an Amazon Associate, I earn a small commission from qualifying purchases.

    Ingredients
      

    • 3 tablespoons gluten free flour blend * see note
    • ½ teaspoon baking soda
    • 1 large egg large
    • 3 tablespoons sugar
    • 2 tablespoons coconut oil
    • ½ teaspoon pure vanilla extract
    • 2 tablespoons lime juice
    • 1 teaspoon lime zest

    For the Icing

    • 3 tablespoons powdered sugar for icing
    • 1 teaspoons lime juice for icing

    Instructions
     

    • In a small bowl, add flour, sugar, and baking soda. Add in the egg, melted coconut oil, lime juice, and lime zest.
    • Mix well. Pour into your favorite mug. (I used a spray coconut oil to spray the sides of the mug so the cake doesn't stick.)
    • Put into the microwave for 90 seconds.
    • Put the powdered sugar and lime juice in a small bowl and mix. Drizzle onto the mug cake.

    Notes

    1. I have tested this recipe with King Arthur Measure for Measure GF and Bob's Red Mill 1 to 1 GF blend.. That doesn't mean others will not work, I just have not tested other flours.
    2. If your gluten free flour blend doesn’t contain xanthan gum or guar gum, please add 1 teaspoon.
    3. I used almond milk but other dairy-free kinds of milk will work but I do not recommend canned coconut milk.
    4. To test for doneness, touch your finger to the top of the cake. If it feels firm, your cake is done cooking.
    5. Make sure your mug is microwave safe!

    SPECIAL NOTE

    Please know that every gluten free flour blend has a different starch to grain ratio. If you use a blend I didn't test, you may need to adjust your moisture levels in your baked goods.

    Nutrition

    Serving: 1gCalories: 625kcalCarbohydrates: 80gProtein: 8gFat: 33gSaturated Fat: 26gTrans Fat: 1gCholesterol: 164mgSodium: 66mgPotassium: 310mgFiber: 2gSugar: 61gVitamin A: 256IUVitamin C: 11mgCalcium: 132mgIron: 2mg
    Tried this Recipe? Pin it for Later!Mention @FearlessDining or tag #FearlessDining!
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    Nutrition Disclaimer

    Nutritional information is an estimate provided to you as a courtesy. You should calculate the actual nutritional information with the products and brands you are using with your preferred nutritional calculator.

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    Comments

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      Recipe Rating




    1. TJ

      June 19, 2023 at 11:18 am

      How many ounces is recommended for the mug? This looks amazing!

      Reply
      • Sandi Gaertner

        June 19, 2023 at 1:45 pm

        Hi TJ, I used a 10 ounce mug...but any normal sized coffee mug will work.

        Reply
    2. Charlene

      February 27, 2023 at 6:22 pm

      5 stars
      Out of all the mug cakes I've tried this is by far my favorite!! Love it! It's another one that is super simple to throw together quickly and easy enough to appease my sweet tooth anytime. Thank you 😊

      Reply
      • Sandi Gaertner

        February 28, 2023 at 7:44 am

        I am so glad you love this cake. I feel like I don't use limes enough so I thought a mug cake would be perfect.

        Reply
    3. Katerina

      June 27, 2017 at 5:31 am

      I love mug cakes and this one looks absolutely delicious!

      Reply
      • Sandi Gaertner

        June 27, 2017 at 10:06 pm

        Thank you Katerina :-).

        Reply
    4. Stephanie@ApplesforCJ

      June 26, 2017 at 9:05 am

      This is such a great idea for summer. Love that these are gluten free and can be made in a mug. The lime flavor sounds amazing!

      Reply
      • Sandi Gaertner

        June 26, 2017 at 9:50 am

        Thank you so much Stephanie 🙂

        Reply
      • Ellie

        June 10, 2023 at 6:42 pm

        Is it baking soda or powder? Recipe says soda and instructions say powder.

        Reply
        • Sandi Gaertner

          June 11, 2023 at 10:12 am

          It should be baking soda given the citrus.

    5. Denise Wright

      June 26, 2017 at 8:51 am

      Mug Cakes are my current favorite thing!
      This one sounds amazing!

      Reply
      • Sandi Gaertner

        June 26, 2017 at 9:50 am

        Thank you Denise 🙂 They definitely are a great way to have cake on hot days.

        Reply
    6. Catherine

      June 26, 2017 at 8:41 am

      Such a pretty little cake! I love the single serve desserts..this looks delightful, Sandi!

      Reply
      • Sandi Gaertner

        June 26, 2017 at 9:51 am

        Thank you so much Catherine :-). I almost need a double serving LOL.

        Reply
    7. Mary // Chattavore

      June 26, 2017 at 8:35 am

      5 stars
      This sounds wonderful! I just did a lime mug cake on my site a few weeks ago - love the gluten-free version too!

      Reply
      • Sandi Gaertner

        June 26, 2017 at 9:51 am

        I will have to check out your recipe Mary 🙂

        Reply
    8. Christina Shoemaker

      June 26, 2017 at 8:25 am

      5 stars
      Oh yum! I've only ever tried a chocolate mug cake before! This looks even better!! Love the lime!

      Reply
      • Sandi Gaertner

        June 26, 2017 at 9:52 am

        I hope you like it Christina 🙂

        Reply

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    Welcome to my blog! I am so glad you are here. If you have Celiac Disease, gluten intolerance, or a wheat allergy, you've come to the right place for delicious recipes. I have years of extensive experience in gluten free recipe development, and I am excited to help you. I am a seasoned gluten free recipe developer and I test recipes multiple times with multiple gluten free flour blends so you know what works. I specialize in creating easy, family-friendly recipes that rival their gluten-filled counterparts.

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