The Air Fryer S’mores Mug Cake combines the classic flavor combination of graham crackers, chocolate, and marshmallows in a warm, gooey mug cake. This easy dessert can be made in just minutes using an air fryer.

Mix the ingredients in a mug and place it in the air fryer for a perfectly cooked mug cake every time. Top with extra marshmallows or chocolate chips for an extra special treat. Enjoy this delicious twist on traditional smores any time of year!

Air Fryer S'mores Mug Cake
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You will love this Air Fryer S’mores Mug Cake if you like smores. I love ramekin desserts, especially for my hubby and me or just for me. And if you love a great Smore, you will love this.

This is a real treat made with the traditional ingredients of s’mores, graham crackers, chocolate chips, and, of course, the marshmallow topping. Now, you can have this traditional summer treat all year round.

If you are looking for some other treats for you and another loved one or just for yourself, here are some of my favorites:

Why Make a Mug Cake In Air Fryer

The air fryer not only saves time and energy, but it also creates a perfectly crisp outer layer on the mug cake. Plus, using the air fryer eliminates the need for an extra dish since the mug can go straight from mixing to cooking. And cleanup is a breeze! So next time you’re craving a single serving of dessert, give the

Air Fryer S’mores Mug Cake

This delicious treat combines the traditional flavor of s’mores with the convenience of a mug cake. Mix your ingredients in a microwave-safe mug and cook it in the air fryer for a gooey, chocolatey dessert. Top with marshmallows and graham cracker crumbs for the ultimate s’mores experience. Give it a try next time you’re craving something sweet!

Don’t have an air fryer? No problem. This recipe can also be made in the microwave or a traditional oven. However, cooking times may vary. Enjoy!

Ingredients Needed For S’mores Mug Cake

These are such easy ingredients, and most of them you probably have, on hand, they make for tasty s’mores. My kids love these as late-night snacks!

Ingredients Needed For Air Fryer S'mores Brownies

Remember the step-by-step directions and detailed ingredient list are below, in the printable recipe card at the bottom of the post, as well as the nutritional information.

  • Graham Cracker Crumbs: Serve as the base layer of the cake, offering a sweet, crunchy texture that mimics the crust of traditional s’mores. They provide the distinctive flavor foundation that’s essential to any s’mores creation.
  • Butter: Provides fat that contributes to the moistness and tenderness of the cake.
  • Chocolate Chips: Represent the chocolate layer in traditional s’mores. They melt into gooey pockets within the cake, offering a rich, chocolaty experience with every bite.
  • Marshmallows: Top the cake, melting into a gooey, sticky layer that mimics the toasted marshmallows of a s’more. They’re essential for capturing the essence of s’mores in this mug cake version.

How To Make Air Fryer S’mores Mug Cake

Crafting a S’mores Mug Cake in an air fryer combines the charm of campfire s’mores with the convenience and ease of mug cake preparation. This quick and delightful dessert encapsulates the essence of s’mores without the need for a campfire, ready in minutes and perfect for a cozy treat. Here’s how to make it:

How To Make Air Fryer S'mores Mug Cake

In a small mixing bowl, combine the graham cracker crumbs and melted butter. Mix well, then pour into a greased ramekin. Set the ramekin in the air fryer at 320 degrees F for 4-5 minutes, or until the crust is warmed.

Air Fryer S’mores Mug Cake

Add the chocolate chips and mini marshmallows on top. Then, set them back into the air fryer at 320 degrees F for 1-2 minutes or until the marshmallows are golden brown.

Air Fryer S’mores Mug Cake

Recipe Variations

The classic Air Fryer S’mores Mug Cake is a delightful treat, but don’t hesitate to shake things up with some creative variations. Each variation adds a unique twist, making this comforting dessert even more exciting:

  • Peanut Butter Swirl: Add a tablespoon of creamy peanut butter to the batter before cooking. Use a toothpick to swirl it into the cake for a nutty flavor that complements the chocolate and marshmallow.
  • Chocolate Lava: Place a piece of your favorite chocolate bar in the center of the batter to create a molten core before cooking.
  • White Chocolate and Raspberry: For a fruity twist, substitute chocolate chips for white chocolate chips and add a few fresh raspberries to the batter.
  • Mocha Mug Cake: Mix a teaspoon of instant coffee into the batter to infuse the cake with a rich mocha flavor that complements the chocolate.
  • Nutty Affair: Sprinkle chopped walnuts or pecans over the top before air frying for a crunchy texture and nutty flavor.
  • Double Chocolate: Use cocoa powder in the batter and chocolate chips for an intense chocolate flavor throughout the cake.
  • Caramel Drizzle: Drizzle caramel sauce over the finished mug cake and sprinkle with sea salt for a salted caramel effect.
  • Fruity Fun: Top the mug cake with a spoonful of strawberry or raspberry jam for a berry twist before adding the marshmallows.

Each of these variations allows you to customize your Air Fryer S’mores Mug Cake, ensuring there’s always a new and delicious way to enjoy this quick and comforting dessert.

Air Fryer S’mores Mug Cake

Pro Tips

Crafting the perfect Air Fryer S’mores Mug Cake balances simplicity with critical techniques to elevate your dessert game. Here are some professional tips to ensure your s’mores mug cake is a gooey, delightful treat every time:

  • Choose the Right Mug: Tip: Use a microwave-safe mug that’s also safe for your air fryer. Ensure it fits comfortably within the air fryer basket, allowing air circulation. Why It’s Important: A proper mug ensures even cooking and prevents overflow, making for a perfectly sized treat.
  • Monitor Your Marshmallows: Tip: Watch the marshmallows closely during the last few minutes of cooking. They can quickly go from perfectly toasted to burnt. Why It’s Important: Toasted marshmallows add the quintessential s’mores flavor and texture, but roasting them can introduce an unwanted bitter taste.
  • Get Creative with Layers: Tip: Layer your ingredients inside the mug before cooking for varied texture and flavor in every bite. Start with graham cracker crumbs, batter, chocolate chips, and marshmallows. Why It’s Important: This creates a more authentic s’mores experience, with each layer contributing its distinct taste and texture.
  • Don’t Overfill: Tip: Fill your mug only halfway to two-thirds full to give the cake room to rise without spilling over. Why It’s Important: Overfilling can lead to a messy air fryer and an unevenly cooked cake.
  • Incorporate a Foil Tent: Tip: If the top of your mug cake is cooking too quickly, loosely cover it with aluminum foil to prevent direct heat exposure. Why It’s Important: This helps slow down the marshmallows’ browning and prevents them from burning before the cake is fully cooked.
  • Let It Cool: Tip: Allow the mug cake to cool for a few minutes after cooking. This helps the cake set and makes it easier to handle. Why It’s Important: A brief cooling period improves the texture and safety of the mug, ensuring you don’t burn yourself on a too-hot surface.
  • Experiment with Toppings: Tip: After cooking, add extra toppings like a drizzle of chocolate sauce, a sprinkle of graham cracker crumbs, or even a scoop of ice cream. Why It’s Important: Additional toppings can enhance the flavors and textures, making your mug cake more indulgent and personalized.

Following these pro tips will help you master the Air Fryer S’mores Mug Cake, turning a simple dessert into an extraordinary treat that’s sure to impress with its delicious flavors and perfect presentation.

Air Fryer S'mores Mug Cake


Can I make the S’mores Mug Cake without an air fryer? Yes, you can make a version of it in the microwave or a conventional oven. The texture and cooking times will vary, so adjust accordingly. For the microwave, start with 1 minute on high and check for doneness, adding time in 20-second intervals.

What if my mug isn’t labeled as air fryer-safe? Use a mug made of materials safe for both microwave and conventional ovens, such as ceramic or glass. Avoid mugs with metallic paint or decorations. When in doubt, use a small, oven-safe ramekin or baking dish.

Can I use marshmallow fluff instead of marshmallows? Yes, you can top your mug cake with marshmallow fluff. However, it won’t toast the same way as marshmallows. For best results, add it after baking and use a kitchen torch to lightly toast the top.

How do I prevent the mug cake from overflowing? Fill your mug no more than two-thirds full to allow space for the cake to rise. Cooking times may vary, so keep an eye on it during its first attempt to adjust as needed.

Can I make this gluten-free? Absolutely. Substitute the all-purpose flour with your preferred gluten-free flour blend. Ensure your graham crackers are also gluten-free.

Is there a vegan option for this recipe? Yes, use plant-based milk, vegan butter, and a vegan egg substitute. Also, check that your chocolate chips and marshmallows are vegan-friendly.

How do I clean my air fryer if the cake overflows or makes a mess? Let the air fryer cool completely, then remove the basket and pan to wash them with soapy water. If needed, use a non-abrasive sponge or brush to remove any baked-on residue.

Can I store leftover S’mores Mug Cake? Mug cakes are best enjoyed fresh, but if you have leftovers, cover them and store in the refrigerator for up to 1 day. Reheat gently in the microwave for a few seconds before serving.

Can I make this recipe in advance? For the best texture and experience, it’s recommended to make and enjoy the mug cake immediately. However, you can mix the dry ingredients in advance and store them in the mug or a sealed container until you’re ready to add the wet ingredients and cook.

How can I adjust the recipe to make it less sweet? Reduce the amount of granulated sugar in the cake batter and consider using dark chocolate chips instead of milk chocolate for a more balanced, less sweet flavor profile.

Equipment Used

More Easy Air Fryer Recipes

Air Fryer S’mores Mug Cake

Air Fryer S’mores Pie Mug Cake

5 from 4 votes
Prep Time: 5 minutes
Cook Time: 7 minutes
Total Time: 12 minutes
Servings: 1 Serving


If you like smores, you will love this Air Fryer S’mores Pie For One. I love ramekin desserts, especially for my hubby and me, or just for me. And if you love a great Smore, you will totally love this.


  • 5 tablespoons graham crackers, crushed
  • 1 tablespoon butter, melted, unsalted
  • 3 tablespoons mini chocolate chips
  • 3 tablespoons mini marshmallows


  • In a small mixing bowl, mix the graham cracker crumbs and melted butter.
  • Mix well, then pour into a greased ramekin. Set into the air fryer for 320 degrees F, for 4-5 minutes, or until the crust is warmed.
  • Add the chocolate chips and mini marshmallows on top. Then set back into the air fryer at 320 degrees F, for 1-2 minutes or until the marshmallows are golden brown.
  • Plate, serve, and enjoy!


  • Air Fryer
  • Oven Safe Mug or Ramekin
  • Cooking Spray


Serving: 1ServingCalories: 781kcalCarbohydrates: 123gProtein: 8gFat: 29gSaturated Fat: 15gPolyunsaturated Fat: 1gMonounsaturated Fat: 6gTrans Fat: 1gCholesterol: 37mgSodium: 643mgPotassium: 136mgFiber: 4gSugar: 71gVitamin A: 451IUVitamin C: 0.3mgCalcium: 115mgIron: 4mg

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