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S’mores Mug Cake – Smores Mug Cake
This smores mug cake brings the beloved campfire treat straight to your kitchen in just 60 seconds! No need for a bonfire when you can create this gooey, chocolatey delight using your microwave. Perfect for late-night cravings or when you need a quick dessert fix, this single-serving treat combines rich chocolate cake with melted marshmallows and crunchy graham cracker crumbs.
Why You'll Love This Recipe
- Ready in under 2 minutes – perfect for instant gratification when sweet cravings hit
- Single-serving portion – no temptation to overindulge or waste leftover cake
- Uses simple pantry ingredients – no special shopping trips required
- Kid-friendly recipe – safe alternative to campfire s’mores that children can help make
- Customizable toppings – easily adjust marshmallows and chocolate to your preference
Why This S’mores Mug Cake Recipe Works with Smores Mug Cake
The magic behind this smores mug cake lies in its perfectly balanced ratios. The combination of cocoa powder and chocolate chips creates a rich, fudgy base that mimics traditional chocolate cake but cooks evenly in the microwave.
Baking powder ensures the cake rises properly in just 60 seconds, while the oil keeps it moist. The marshmallows on top melt beautifully, creating that signature s’mores experience without the campfire mess.
Why You’ll Love This S’mores Mug Cake with Smores Mug Cake
This recipe delivers authentic s’mores flavors in a convenient format. Unlike traditional microwave s’mores recipes, this version creates an actual cake base rather than just melted ingredients.
The texture perfectly balances the soft, warm cake with gooey marshmallows and crunchy graham crackers. It’s mess-free compared to campfire s’mores and requires no special equipment beyond a microwave-safe mug.
What You’ll Need
Ingredients
Ingredient | Quantity (Approx) | Purpose / Notes |
---|---|---|
All-purpose flour | 4 tbsp | Creates cake structure and texture |
Unsweetened cocoa powder | 2 tbsp | Provides rich chocolate flavor |
Baking powder | 1 tsp | Helps cake rise in microwave |
Granulated sugar | 4 tbsp | Sweetens and tenderizes cake |
Milk | 3 tbsp | Adds moisture and binds ingredients |
Vegetable oil | 2 tbsp | Keeps cake moist and tender |
Chocolate chips | 2 tbsp | Extra chocolate bursts throughout |
Mini marshmallows | 1/4 cup | Classic s’mores topping that melts beautifully |
Graham cracker crumbs | 1 tbsp | Provides signature s’mores crunch |
Tools
Tool | Purpose |
---|---|
Microwave-safe mug | Cooking vessel that won’t crack under heat |
Small whisk or spoon | Mixing ingredients smoothly |
Measuring spoons | Accurate ingredient portions |
Measuring cups | Measuring larger quantities like marshmallows |
How to Make S’mores Mug Cake
Step | Instructions |
---|---|
Step 1: Mix Dry Ingredients | In a microwave-safe mug, whisk together flour, cocoa powder, baking powder, and sugar until well combined with no lumps |
Step 2: Add Wet Ingredients | Pour in milk and vegetable oil, stirring until the batter is smooth and no dry streaks remain |
Step 3: Fold in Chocolate | Gently fold in chocolate chips, distributing them evenly throughout the batter |
Step 4: Add Toppings | Top with mini marshmallows and sprinkle graham cracker crumbs over the surface |
Step 5: Microwave | Microwave on high for 60 seconds, watching carefully to prevent overflow |
Step 6: Cool and Serve | Let cool for 1 minute before enjoying, optionally adding more toppings |
Chef's Helpful Tips
- Use a large mug to prevent overflow – the cake will rise significantly during cooking
- Don’t overmix the batter – gentle stirring prevents a tough, rubbery texture
- Watch through the microwave window – stop immediately if the cake starts overflowing
- Let it cool slightly before eating – the marshmallows will be extremely hot
- Crush graham crackers yourself for fresher flavor than store-bought crumbs
Serving and Storage Tips for S’mores Mug Cake
Serving Tips
Serve your smores mug cake immediately while the marshmallows are still gooey and the cake is warm. The contrast between hot cake and cool toppings creates the perfect experience.
Consider adding a scoop of vanilla ice cream or a drizzle of chocolate sauce for extra indulgence. Fresh berries like strawberries complement the rich flavors beautifully, similar to how they enhance other desserts like our keto cloud cake recipe.
For storage, this dessert is best enjoyed fresh. If you must save leftovers, cover and refrigerate for up to 24 hours, then reheat for 15-20 seconds in the microwave.
Mistakes to Avoid When Making S’mores Mug Cake
The most common mistake is using too small a mug, causing messy overflow. Always choose a mug that’s at least 12 ounces to allow room for the cake to rise.
Overcooking ruins the texture – start with 60 seconds and add 10-second intervals if needed. Every microwave varies in power, so adjust accordingly.
Don’t skip the cooling period. The marshmallows become molten hot and can burn your tongue. One minute of patience prevents painful burns.
You Must Know
- Microwave power varies – start with less time and add more if needed to prevent overcooking
- The cake continues cooking after removal – residual heat finishes the process perfectly
- Fresh ingredients matter – old baking powder won’t create proper rise in such a short cooking time
- Mug material affects cooking – ceramic works best, while metal is dangerous and plastic may melt
Tips and Tricks for S’mores Mug Cake
For extra richness, substitute melted butter for vegetable oil. The butter adds deeper flavor but requires cooling slightly before mixing to prevent curdling.
Create layers by adding half the batter, some marshmallows, then the remaining batter and final toppings. This creates pockets of melted marshmallow throughout.
Experiment with different chocolate types – dark chocolate chips create a more sophisticated flavor, while white chocolate offers sweetness similar to traditional s’mores.
Suggestions for S’mores Mug Cake Variations
Try a peanut butter version by adding 1 tablespoon of natural peanut butter to the wet ingredients. This creates a rich, nutty twist on the classic recipe.
For a more adult flavor, add a pinch of espresso powder to intensify the chocolate taste. Sea salt sprinkled on top before microwaving creates a salted caramel effect.
Make it gluten-free by substituting almond flour for all-purpose flour, though you may need to adjust the liquid slightly. This variation pairs well with other creative recipes like our ultimate chicken casserole for a complete meal experience.
Create seasonal versions by adding cinnamon and nutmeg for fall flavors, or peppermint extract during winter holidays. Check out AllRecipes’ s’mores variations for more inspiration.
FAQs:
Yes, you can bake it in a preheated 350°F oven for 12-15 minutes in an oven-safe ramekin. The texture will be slightly different but equally delicious.
This usually happens when using too small a mug or cooking too long. Use at least a 12-ounce mug and start with 50 seconds, adding time as needed.
Absolutely! Use plant-based milk for dairy-free, coconut oil instead of vegetable oil, or sugar alternatives like stevia. Adjust quantities slightly as needed.
Don’t overcook and ensure you’re measuring liquids accurately. Adding an extra tablespoon of milk helps if your batter seems thick.
Yes, but use a larger microwave-safe bowl and increase cooking time to 90-120 seconds. Watch carefully to prevent overflow.
Conclusion
This smores mug cake delivers all the nostalgic flavors of campfire s’mores in a quick, convenient format. Perfect for satisfying sudden sweet cravings or introducing kids to cooking, it requires minimal ingredients and equipment.
The beauty lies in its simplicity and speed – from craving to satisfaction in under two minutes. Whether you stick to the classic recipe or explore creative variations, this dessert brings joy to any moment that needs a little sweetness.
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📖 Recipe Card

Smores Mug Cake
- Total Time: 3 minutes
- Yield: 1 mug cake 1x
Description
A delicious and easy recipe for smores mug cake that you’ll love making at home. Ready in just 60 seconds, no need for a bonfire when you can create this gooey, chocolatey delight using your microwave.
Ingredients
- 3 tablespoons all-purpose flour
- 2 tablespoons cocoa powder
- 1/4 teaspoon baking powder
- 2 tablespoons sugar
- 3 tablespoons milk
- 2 tablespoons vegetable oil
- 2 tablespoons chocolate chips
- Mini marshmallows
- Graham cracker crumbs
Instructions
- Step 1: Mix Dry Ingredients – In a microwave-safe mug, whisk together flour, cocoa powder, baking powder, and sugar until well combined with no lumps
- Step 2: Add Wet Ingredients – Pour in milk and vegetable oil, stirring until the batter is smooth and no dry streaks remain
- Step 3: Fold in Chocolate – Gently fold in chocolate chips, distributing them evenly throughout the batter
- Step 4: Add Toppings – Top with mini marshmallows and sprinkle graham cracker crumbs over the surface
- Step 5: Microwave – Microwave on high for 60 seconds, watching carefully to prevent overflow
- Step 6: Cool and Serve – Let cool for 1 minute before enjoying, optionally adding more toppings
Notes
- Use a large mug to prevent overflow – the cake will rise significantly during cooking
- Don’t overmix the batter – gentle stirring prevents a tough, rubbery texture
- Watch through the microwave window – stop immediately if the cake starts overflowing
- Let it cool slightly before eating – the marshmallows will be extremely hot
- Prep Time: 2 minutes
- Cook Time: 1 minute
- Category: Dessert
- Method: Microwave
- Cuisine: American
Nutrition
- Serving Size: 1 mug cake
- Calories: 385 calories
- Sugar: 28g
- Sodium: 180mg
- Fat: 18g
- Saturated Fat: 6g
- Unsaturated Fat: 12g
- Trans Fat: 0g
- Carbohydrates: 52g
- Fiber: 4g
- Protein: 7g
- Cholesterol: 5mg
Keywords: smores mug cake, recipe, homemade, microwave dessert, quick dessert, single serving