S'mores Mug Cake

Easy S'mores Mug Cake recipe. This single-serving dessert idea will help satisfy your chocolate cravings in under 5 minutes.

S'mores Mug Cake with graham cracker pieces and chocolate chips surrounding it.

It is a particularly hot summer. So what's better than a warm mug cake on a warm day? And because it's the summer, I am making a S'mores Mug Cake. 

This mug cake is the perfect dessert for the summer. Not only is it no bake, it is ready in 5 minutes so it will satisfy any sweet craving that you may have instantly. 

The combination of the chocolate cake base with toasty marshmallows.. this has to be the perfect single serve dessert if I say so myself.

S'mores Mug Cake with a small spoon inside the beige ceramic mug.

S'mores Mug Cake Ingredients

This mug cake recipe is made with mainly pantry staples, so there is no excuse NOT to make it. All you need is:

  • all purpose flour
  • unsweetened cocoa powder
  • white sugar
  • baking powder
  • whole milk
  • vegetable oil
  • vanilla extract
  • chocolate chips
  • large marshmallow
  • crumbled graham cracker pieces
S'mores Mug Cake with toasted marshmallows and melted chocolate chips on top.

Tips

Make sure you are using microwave-safe mug! Microwaveable mugs will help prevent prevent uneven cooking. Oftentimes, if you use a coffee mug that is not microwave safe, the sides will overheat while the center of the cake will be undercooked.

Keep an eye on the mug cake in the microwave. ​Because mug cakes have a tendency to boil over, you need to watch it in the microwave. I recommend cooking it in 30 second intervals, or stopping every 20-30 seconds to allow the mug cake to deflate a little bit. Then continue to cook in the microwave.

Variations

Make it vegan!​ You would just need to change the milk to dairy free milk, and make sure that both your chocolate chips and marshmallows are vegan. I love using either oat milk or almond milk, but any non-dairy milk option works.

Make it Gluten Free: All you need to do is replace the flour and graham crackers. I've found that this gluten free flour is the best substitute for all-purpose. And any gluten-free graham crackers or graham cracker crumbs that you can find would work great in this recipe.

A spoonful of S'mores Mug Cake showing a large marshmallow and fluffy cake.

More Cake in a Mug Recipes

Like this S'mores Mug Cake? Then you will love these  easy dessert mug cake recipes:

If you make this recipe, let me know how you liked it! Rate it, leave a comment and tag me with #atasteofmadness on Instagram! I always love seeing what you are creating!

A small silver spoon in a moist S'mores Mug Cake, scooping up the golden brown marshmallow.
S'mores Mug Cake with toasted marshmallows and melted chocolate chips on top.

S'mores Mug Cake

Easy S'mores Mug Cake recipe. This single-serving dessert idea will help satisfy your chocolate cravings in under 5 minutes.
5 from 10 votes
Print Pin Rate
Course: Dessert
Cuisine: American
Prep Time: 3 minutes
Cook Time: 2 minutes
Total Time: 5 minutes
Servings: 1 mug cake

Ingredients

  • ¼ cup all-purpose flour
  • 2 tablespoon cocoa powder
  • 2 tablespoon granulated sugar
  • ¼ teaspoon baking powder
  • 3 tablespoon milk
  • 3 Tsbp oil
  • ¼ teaspoon vanilla extract
  • 1 tablespoon chocolate chips
  • 3 large marshmallows
  • 1 sheet graham cracker, crushed

Instructions

  • In a large microwave safe mug, mix together the flour, cocoa powder, sugar and baking soda until combined. Add in the milk, oil and vanilla extract, and mix until smooth.
  • Sprinkle the top with chocolate chips and microwave for 1 minute, or until the center of the cake is set.
  • Place the marshmallows on a baking sheet and broil for around 20 seconds.
  • Place the marshmallows and crushed graham crackers on top of the mug cake. Allow to cool slightly before eating.
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20 Comments

  1. 5 stars
    We made them as desserts for family night abd they were a huge hit. Everyone loved the gooey s’mores mug cakes abd they were such a breeze to make.

  2. 5 stars
    What a perfectly delightful treat! There is nothing better than an easy, one serving snack and this one has all the good stuff!

  3. 5 stars
    I loved how quick and easy this s'mores cake was to make and it tasted just like s'mores too! Can't go wrong with this recipe!

  4. 5 stars
    This smores mug cake recipe is just perfect for a last minute dessert option. A new favourite with my hubby and me!

  5. 5 stars
    I love one serving desserts like this for movie night. My husband was craving something indulgent and I literately had nothing at home for sweets. But I had these ingredients! So this recipe saved the night. 😎 😉 Delish. Thanks!!

  6. 5 stars
    This is such a fun summer idea for a quick and easy sweet treat. Looks absolutely delicious and fun to make as well!

  7. 5 stars
    Smores are my favorite in the summer but I can't always make them living in the city so this mug cake was perfect! So delicious!

  8. 5 stars
    Love your presentation. Tempting and Inviting. This is so quick and easy and just right for all chocolate lovers.

  9. 5 stars
    I made it earlier for a quick snack, and it turned out soft, smooth, and delicious! I love how quickly it cooks, and I will make it again!

5 from 10 votes

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