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Gooey Microwave S’mores Mug Cake (No Campfire Needed!)

Sometimes you want to enjoy the classic s’mores dessert of graham crackers, marshmallows and chocolate, but there is no campfire around. That is when you want to make this easy, gooey microwave S’mores Mug Cake!

You can recreate the classic campfire s’mores flavor with a delicious gooey cake baked in your RV microwave!

We suggest mixing the dry ingredients together at home and keeping in a zip-top bag. Then, if you want a sweet snack while camping, add in the wet ingredients and bake in 2 minutes or less!

Be sure to see all of our s’mores recipes that can be made without a campfire:

2-Minute S’mores Mug Cake Recipe

Yield: 1 serving

Prep Time: 5 minutes | Cooking Time: 2 minutes | Total Time: 7 minutes

  • ¼ cup all-purpose flour 
  • ¼ cup sugar
  • 2 tablespoons unsweetened cocoa powder
  • ⅛ teaspoon baking soda
  • ⅛ teaspoon salt
  • 3 tablespoons milk
  • 2 tablespoons vegetable or canola oil
  • 1 tablespoon water
  • ¼ teaspoon vanilla extract
  • 1 tablespoon semi-sweet chocolate chip morsels
  • 8 miniature marshmallows
  • 1 tablespoon crushed graham crackers

In a 12-ounce microwave-safe mug or other microwave-safe dish, stir together the flour, sugar, cocoa, baking soda, and salt until well blended.

Into the mug, add the milk, oil, water, and vanilla.

Stir together until completely mixed.

Top the raw batter with the chocolate chips, marshmallows, and graham crackers.

Microwave on high for 1 minute 45 seconds or until the middle is set.

Just in case the cake overflows, place a plate under the mug.

Garnish with additional marshmallows, chocolate, or graham crackers if you’d like!

Yield: 1 Mug

S'mores Mug Cake

S'mores Mug Cake

Easy microwave s'mores mug cake recipe that can be made in your RV or travel trailer while camping.

Prep Time 5 minutes
Cook Time 2 minutes
Total Time 2 minutes

Ingredients

  • ¼ cup all-purpose flour 
  • ¼ cup sugar
  • 2 tablespoons unsweetened cocoa powder
  • ⅛ teaspoon baking soda
  • ⅛ teaspoon salt
  • 3 tablespoons milk
  • 2 tablespoons vegetable or canola oil
  • 1 tablespoon water
  • ¼ teaspoon vanilla extract
  • 1 tablespoon semi-sweet chocolate chip morsels
  • 8 miniature marshmallows
  • 1 tablespoon crushed graham crackers

Instructions

    In a 12-ounce microwave-safe mug, stir together the flour, sugar, cocoa, baking soda, and salt until well blended.

    Into the mug, add the milk, oil, water, and vanilla. Stir together until completely mixed.

    Top the raw batter with the chocolate chips, marshmallows, and graham crackers.

    Microwave on high for 1 minute 45 seconds or until the middle is set.

Notes

Place a plate underneath the mug in case the batter overflows.


Be sure to see all of our camping recipes!

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