The moment you fold swirls of fluffy marshmallow into a gooey chocolate mixture, magic happens. This Quick and Easy Marshmallow Swirl Fudge transforms simple, classic ingredients into a creamy dessert that’s ready in under 20 minutes. Perfect for holiday get-togethers or satisfying a spontaneous sweet tooth, this delightful fudge is as versatile as it is delicious. With its rich, buttery base and playful marshmallow accents, it promises to be a hit with family and friends alike. Plus, you can make it ahead of time and keep it in the fridge for those moments when you need a quick indulgence. Ready to create something irresistibly sweet that’s bound to spark joy? Let’s dive into this scrumptious Marshmallow Swirl Fudge recipe!

Why is this fudge a must-try?
Quick and Easy: This Marshmallow Swirl Fudge can be whipped up in less than 20 minutes, making it an effortless treat for any occasion.
Delectable Flavor: The combination of creamy chocolate and fluffy marshmallow creates a taste explosion that your taste buds will thank you for!
Make Ahead: Ideal for busy hosts, you can prepare this fudge up to five days in advance, keeping it stashed in the fridge for last-minute cravings or holiday gatherings.
Crowd-Pleasing: Everyone loves fudge! It’s a dessert that appeals to both kids and adults, ensuring happy faces at your next gathering or party.
Customizable: Feel free to experiment! Add crushed nuts for crunch or use flavored chocolate for a delightful twist—endless options await!
With all these benefits, don’t miss out on this delightful treat! If you want to explore more sweet recipes, check out our Holiday Treats Collection for inspiration.
Marshmallow Swirl Fudge Ingredients
• Note: These classic ingredients come together to create the ultimate Marshmallow Swirl Fudge that’s rich in flavor and easy to make!
For the Fudge Base
- Sweetened Condensed Milk – Provides sweetness and a chewy texture; can be swapped with homemade caramel for a unique twist.
- Chocolate Chips (Semi-sweet) – Adds richness and structure; feel free to use dark chocolate chips if you prefer a less sweet fudge.
- Vanilla Extract – Enhances the overall flavor; any pure vanilla extract will do perfectly.
For the Swirl
- Mini Marshmallows – Introduces delightful texture and creates that signature swirl; you can replace them with about 1 cup of marshmallow fluff if desired.
Step‑by‑Step Instructions for Marshmallow Swirl Fudge
Step 1: Prepare the Pan
Start by lining an 8×8-inch square baking pan with parchment paper, letting some overhang on the sides for easy removal later. This is a crucial step to ensure your Marshmallow Swirl Fudge comes out smoothly. Place the pan aside for now, as you’ll pour the fudge mixture into it shortly.
Step 2: Melt the Base
In a medium saucepan, combine the sweetened condensed milk and semi-sweet chocolate chips over low heat. Stir continuously for about 5 to 7 minutes, until the chocolate melts completely and blends seamlessly into a creamy mixture. Watch for a smooth, glossy texture indicating it’s ready to remove from heat.
Step 3: Add Flavor
Once the chocolate mixture is smooth, remove the saucepan from heat and stir in the vanilla extract. This will enhance the rich flavor of your fudge. Ensure the vanilla is well incorporated before moving on to the next step, as it will subtly elevate your Marshmallow Swirl Fudge.
Step 4: Fold in Marshmallows
Quickly add the mini marshmallows to the melted fudge mixture and gently fold them in. Aim to create swirls without fully melting the marshmallows; this adds a delightful texture to your fudge. The marshmallows should be partially visible, creating a marbled effect throughout the creamy chocolate base.
Step 5: Pour and Swirl
Carefully pour the fudge mixture into the prepared baking pan, using a spatula to spread it evenly. With a gentle motion, swirl the top to enhance the marbled look. This step will give your Marshmallow Swirl Fudge an inviting presentation once set.
Step 6: Cool and Set
Allow the fudge to cool at room temperature for about 10 minutes before moving it to the refrigerator. Chill the fudge for at least 2 hours or until fully set, solidifying the creamy texture. You’ll know it’s ready when it feels firm to the touch.
Step 7: Slice and Serve
Once chilled and set, lift the fudge out of the pan using the overhanging parchment paper. Place the block on a cutting board and use a buttered knife to slice it into 16 squares. Enjoy the luscious layers of your Marshmallow Swirl Fudge or wrap it up for friends and family!

What to Serve with Marshmallow Swirl Fudge
Indulging in creamy, dreamy fudge is delightful, but consider pairing it with complementary treats to elevate your dessert experience.
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Rich Vanilla Ice Cream: The creamy texture of vanilla ice cream contrasts beautifully with the fudge’s chewy consistency, creating a perfect sweet balance. A scoop on the side can turn every bite into a heavenly experience!
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Salted Caramel Sauce: Drizzling warm salted caramel over your fudge adds a gourmet touch, enhancing the rich chocolate flavor while offering a sweet-salty contrast that tickles the taste buds.
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Fresh Berries: Juicy strawberries or raspberries provide a refreshing burst of flavor that brightens up the rich fudge, making each taste both sweet and tart. They add a beautiful pop of color to your dessert table as well!
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Coffee or Espresso: A warm cup of coffee or espresso pairs remarkably well with marshmallow swirl fudge, balancing its sweetness and enhancing the overall flavor with its boldness.
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Whipped Cream: A dollop of fluffy whipped cream adds an airy touch to the fudge, enriching its creamy texture and providing a delightful contrast that makes each bite a joy.
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Crunchy Nuts: Gentle hints of toasted walnuts or pecans bring a satisfying crunch, complementing the fudge’s smoothness while introducing an extra layer of flavor.
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Hot Chocolate: A cozy mug of hot chocolate served alongside your fudge creates a chocolate lover’s paradise, amplifying the rich flavors without overwhelming the palate.
Marshmallow Swirl Fudge Variations
Feel free to get creative and personalize this delightful fudge recipe to suit your taste preferences!
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Nutty Delight: Add 1/2 cup of chopped nuts, like walnuts or pecans, for a satisfying crunch that contrasts beautifully with the creamy fudge. The nuts add a lovely earthiness, making each bite even more enjoyable.
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Dark Chocolate: Swap semi-sweet chocolate chips for dark chocolate chips for a richer, less sweet taste. This twist elevates the fudge, providing a sophisticated flavor that dark chocolate lovers will appreciate.
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Minty Fresh: Incorporate 1/4 teaspoon of peppermint extract to the fudge base for a refreshing mint chocolate experience. Add a festive touch, especially during the holidays, that will make your taste buds dance with joy.
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Flavored Swirls: Try using flavored mini marshmallows, such as strawberry or orange, for a fun and fruity twist. The colorful swirls not only make the fudge visually appealing but also offer a burst of unexpected flavor!
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Spicy Kick: Add a pinch of cayenne pepper or a small amount of crushed red pepper flakes to the fudge for a warming heat that beautifully contrasts the sweetness. It’s a delightful surprise that will have everyone guessing the secret ingredient.
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Caramel Bliss: Drizzle caramel sauce into the fudge mixture before swirling for a sticky sweetness that complements the chocolate beautifully. Each bite will have a new layer of indulgent, gooey goodness!
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Peanut Butter Swirl: Fold in 1/2 cup of creamy peanut butter to the chocolate mixture for a classic combination. The peanut butter adds a wonderful creaminess and a hint of saltiness that makes this fudge utterly irresistible.
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Eggnog Twist: For a festive holiday flair, add 1/2 teaspoon of nutmeg and 1/4 teaspoon of cinnamon to the fudge mixture. This delicious hint of spices will evoke cozy, wintry feelings, making it a perfect seasonal treat.
Remember, experimenting in the kitchen often leads to the best discoveries! If you’re looking for more sweet ideas, don’t miss our tempting Holiday Treats Collection for even more inspiration.
Make Ahead Options
These Marshmallow Swirl Fudge treats are perfect for busy home cooks looking to save time! You can prepare the fudge base and refrigerate it for up to 5 days in advance; just store it tightly wrapped to preserve its deliciousness. If you want to take extra steps, you can mix the fudge without the marshmallows and fold them in just before serving to keep them fluffy. The fudge can also be frozen for up to 3 months; just make sure to slice it into squares before freezing for easy access when a sweet craving strikes. When you’re ready to enjoy, simply thaw in the refrigerator overnight and serve chilled for that decadent, creamy texture that everyone loves!
Expert Tips for Marshmallow Swirl Fudge
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Constant Stirring: Always stir the chocolate mixture while melting to prevent it from burning. A few minutes of vigilance can save your fudge from disaster!
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Marshmallow Swirl: When folding in marshmallows, do it gently to maintain their shape. This will enhance the texture of your Marshmallow Swirl Fudge for that delightful chew!
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Cutting Technique: Use a buttered knife to slice your fudge for cleaner cuts. This little trick will help you achieve perfect squares without any crumbling.
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Storage Know-How: Wrap any leftovers tightly in the fridge to keep your fudge fresh for up to 7 days. This way, you can enjoy your treat without it losing that creamy texture!
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Flavor Fun: Feeling adventurous? Try adding crushed nuts or different flavored chips to create your unique version of the classic Marshmallow Swirl Fudge. The possibilities are endless!
How to Store and Freeze Marshmallow Swirl Fudge
Fridge: Store your Marshmallow Swirl Fudge tightly wrapped in an airtight container for up to 7 days. This will preserve its creamy texture and delightful flavors.
Freezer: For longer storage, freeze portions in an airtight container for up to 3 months. Be sure to separate layers with parchment paper to prevent sticking.
Thawing: When ready to enjoy, thaw the fudge in the refrigerator overnight for the best texture. Avoid microwaving, as it may alter the consistency.
Serving Tip: Cut into squares while frozen for easier slicing, and let them sit at room temperature for a few minutes before indulging in this sweet treat!

Marshmallow Swirl Fudge Recipe FAQs
How should I choose my chocolate chips for the fudge?
Absolutely! For the best flavor, go for semi-sweet chocolate chips, which balance sweetness and richness perfectly. If you prefer a deeper chocolate taste, dark chocolate chips are a great alternative. Just remember that dark chocolate will result in a less sweet fudge.
How long can I store my fudge in the refrigerator?
Very! You can keep your Marshmallow Swirl Fudge wrapped tightly in an airtight container for up to 7 days. Ensuring it’s well-wrapped will help maintain its creamy texture and delicious flavor.
Can I freeze the fudge for later?
Definitely! To freeze your Marshmallow Swirl Fudge, cut it into squares and layer them in an airtight container, separating each layer with parchment paper to prevent sticking. It can be stored in the freezer for up to 3 months. Just remember to allow it to thaw in the refrigerator overnight when you’re ready to enjoy!
What are some common troubleshooting tips for making fudge?
If you find your fudge isn’t setting properly, it may be due to insufficient chilling time. Make sure to refrigerate it for at least 2 hours or until completely set. If the fudge seems too grainy or doesn’t blend smoothly, double-check that you melted your chocolate and condensed milk together gently without burning, as high heat can alter the texture.
Is this fudge suitable for people with dietary restrictions?
While Marshmallow Swirl Fudge is a delightful treat, it’s essential to keep in mind that it contains dairy and sugars. If you’re looking for alternatives, consider using dairy-free chocolate chips and vegan sweetened condensed milk for a lactose-free version. Always check labels for potential allergens if you plan to serve it to those with food sensitivities.
Can I use different types of marshmallows in this recipe?
Of course! If mini marshmallows aren’t on hand, feel free to use marshmallow fluff as a substitute. Just use about 1 cup of fluff and fold it into the melted chocolate mixture as you would with the mini marshmallows. This will still give you that lovely, sweet swirl.

Marshmallow Swirl Fudge: Irresistibly Creamy and Easy Delight
Ingredients
Equipment
Method
- Prepare the pan by lining an 8x8-inch square baking pan with parchment paper, allowing overhang for easy removal.
- Melt the sweetened condensed milk and semi-sweet chocolate chips in a medium saucepan over low heat for 5 to 7 minutes, stirring continuously until smooth.
- Remove from heat and stir in the vanilla extract until well incorporated.
- Gently fold in the mini marshmallows without fully melting them, creating swirls.
- Pour the mixture into the prepared pan, spread evenly, and swirl the top for presentation.
- Cool at room temperature for 10 minutes, then refrigerate for at least 2 hours until set.
- Lift out of the pan using parchment overhang and cut into 16 squares with a buttered knife.

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