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There’s something irresistibly charming about the blend of rich chocolate and fluffy marshmallow—it’s a nostalgic dance of flavors that takes me back to childhood days spent in the kitchen. Imagine diving into a square of Marshmallow Swirl Fudge, where every bite gives you a smooth, creamy texture laced with gooey swirls that literally melt in your mouth. This delightful no-bake treat is not just a feast for the senses; it’s incredibly quick to whip up without the fuss of a candy thermometer.

Perfect for those moments when you crave a sweet escape or need an easy dessert for gatherings, this fudge is a stellar addition to any occasion. Whether you’re snacking solo or treating guests, this luscious dessert is about to become your new favorite indulgence. Join me as we explore a recipe that effortlessly combines simplicity with decadence—let’s make some Marshmallow Swirl Fudge!

Why is Marshmallow Swirl Fudge so irresistible?

Decadent Combination: The blend of rich chocolate and fluffy marshmallow creates a taste that’s both indulgent and comforting. No-Bake Convenience: Skip the oven and enjoy a quick preparation that’s perfect for any skill level. Visual Appeal: Those stunning marshmallow ribbons add a gorgeous touch, making it a showstopper at gatherings. Versatile Base: With endless variations to experiment with, you can easily customize it to suit any palate. Don’t forget, it’s a delightful treat to share—perfect for gift-giving or potlucks!

Marshmallow Swirl Fudge Ingredients

• Get ready to create some magic with these irresistible ingredients!

For the Fudge

Semi-Sweet Chocolate Chips – The main flavor component that brings richness; consider dark chocolate for a deeper taste.
Sweetened Condensed Milk – Adds creaminess and sweetness while binding everything together; use coconut condensed milk for a dairy-free twist.
Unsalted Butter – Enhances the texture and creaminess; swap with coconut oil for a dairy-free alternative.
Vanilla Extract – Infuses depth and a delightful aroma; feel free to experiment with almond extract for a unique flavor.
Salt – Balances the sweetness and elevates the flavors; an essential ingredient that should never be skipped.

For the Swirl

Marshmallow Fluff – Delivers that gooey, chewy texture and eye-catching marbling; use it instead of mini marshmallows for a smooth finish.

Now that we have our ingredients prepped and ready, it’s time to bring this Marshmallow Swirl Fudge to life!

How to Make Marshmallow Swirl Fudge

Melt Chocolate Mixture: In a medium saucepan over low heat, combine semi-sweet chocolate chips, sweetened condensed milk, and unsalted butter. Stir constantly until the mixture is smooth and glossy.
Flavor Additions: Remove the saucepan from heat and stir in the vanilla extract and salt. Mix well until fully combined and fragrant.
Prepare Baking Dish: Line an 8×8-inch baking dish with parchment paper to ensure easy removal. Pour in the chocolate fudge mixture, spreading it evenly across the dish.
Add Marshmallow Swirl: Drop spoonfuls of marshmallow fluff on top of the fudge. Use a knife to gently swirl it into the chocolate, but be careful not to overmix—those beautiful ribbons are essential!
Chill: Place the dish in the refrigerator and chill for a minimum of 2 hours, or until the fudge is firm to the touch.
Cut and Serve: Once set, lift the fudge out of the dish using the parchment paper. Cut into squares and savor each bite!

Optional: Drizzle some melted chocolate on top for an extra touch of indulgence.

Exact quantities are listed in the recipe card below.

What to Serve with Marshmallow Swirl Fudge?

Imagine the joy of indulging in a sweet treat that pairs beautifully with delicious sides and sips!

Vanilla Ice Cream: The creamy, cool texture contrasts perfectly with the rich fudge, making each bite a delightful experience. Imagine a scoop of vanilla melting on top of a warm square, creating a dessert that truly satisfies.
Fresh Berries: Bright and juicy strawberries or raspberries add a pop of tartness that cuts through the sweetness, refreshing your palate with each delightful bite. Their vibrant color also enhances the visual appeal of your dessert spread.
Coffee or Espresso: The bold flavors of coffee beautifully complement the rich chocolate of the fudge, stimulating your senses. Enjoying a warm cup alongside makes for a cozy, indulgent moment.
Whipped Cream: A dollop of airy whipped cream softens the intense flavors of the fudge while adding a light and fluffy contrast, perfect for elevating your indulgent experience.
Chocolate Drizzle: Enhance the chocolatey goodness of the fudge with a drizzle of dark chocolate on top; it adds a touch of elegance and richness that chocolate lovers dream of.
Nutty Brittle: Crushed peanut or almond brittle offers a crunchy texture that contrasts beautifully with the smooth fudge, contributing to an addictive sweet and salty combination.

Marshmallow Swirl Fudge Variations

Feel free to let your creativity shine while making this delightful fudge!

Dairy-Free: Substitute with dairy-free chocolate and coconut condensed milk for a creamy, non-dairy twist.
Extra Chocolatey: Fold in ½ cup of chopped dark chocolate before swirling for an intense chocolate experience. The richness will elevate every bite!
Crunchy Version: Stir in some crushed cookies or chopped nuts for added texture and flavor; the contrast with the smooth fudge is delightful.
S’mores Version: Create a graham cracker crust before pouring in the fudge for an irresistible s’mores-inspired treat. It adds a hint of nostalgia to every square!
Flavor Boost: Add a pinch of instant coffee or espresso powder to enhance the chocolate flavor; this magic ingredient makes a subtle yet impactful difference.
Fruit Addition: Toss in some freeze-dried fruit pieces for a tart contrast that complements the sweetness. Strawberries or raspberries work wonderfully!
Spicy Kick: Sprinkle in a dash of cayenne pepper or cinnamon for an unexpected warmth; it transforms this fudge into a thrilling treat.
Nut Butter Swirl: Incorporate a swirl of your favorite nut butter like almond or peanut before chilling; this brings a creamy and nutty flavor that’s hard to resist!

Storage Tips for Marshmallow Swirl Fudge

Room Temperature: Fudge can be kept at room temperature for up to 2 days. Be sure to store it in an airtight container to maintain its freshness.
Fridge: To extend the life of your Marshmallow Swirl Fudge, store it in the refrigerator where it will last for up to 1 week; wrap it tightly or place it in an airtight container.
Freezer: If you want to keep your fudge for longer, freeze it for up to 3 months. Wrap each piece in plastic wrap and foil for added protection against freezer burn.
Reheating: There’s no need to reheat fudge; simply allow it to come to room temperature after chilling or freezing for a bit of softness before serving.

Tips for the Best Marshmallow Swirl Fudge

Use Fresh Ingredients: Ensure your chocolate chips, butter, and marshmallow fluff are fresh for the best flavor and texture; stale ingredients can lead to a less creamy fudge.
Don’t Rush the Melt: Melt the chocolate mixture over low heat, stirring constantly to avoid any scorching and ensure a smooth blend; patience is key to perfect fudge.
Swirling Technique: When adding the marshmallow fluff, use a gentle hand to avoid overmixing; preserving those beautiful swirls is all part of the charm of Marshmallow Swirl Fudge.
Chill Thoroughly: Give the fudge enough time in the refrigerator to set completely; this ensures clean, beautiful squares when cutting, making it more appealing for serving.
Presentation Matters: Consider using a light dusting of cocoa powder or a drizzle of chocolate on top before serving; this not only enhances the flavor but also adds a lovely finishing touch.

Make Ahead Options

These Marshmallow Swirl Fudge treats are perfect for busy home cooks looking to save time and plan ahead! You can prepare the chocolate mixture and swirl in the marshmallow fluff up to 24 hours in advance, keeping it fresh and delicious. Simply melt the chocolate chips, sweetened condensed milk, and butter, mix in your flavors, and pour into the lined baking dish. Cover tightly with plastic wrap and refrigerate. When you’re ready to serve, just take it out, allow it a few minutes at room temperature for a softer texture, and then cut into squares for a delightful dessert that tastes just as heavenly as when it was made!

Marshmallow Swirl Fudge Recipe FAQs

What type of chocolate chips should I use for the fudge?
I recommend using semi-sweet chocolate chips for a rich, classic flavor. However, you can substitute with dark chocolate chips if you prefer a deeper chocolate taste, or even use dairy-free chocolate for a dairy-free version.

How should I store the leftovers?
You can store your Marshmallow Swirl Fudge in an airtight container in the refrigerator for up to 1 week. Make sure it’s well-wrapped to maintain freshness. If you want to keep it longer, it can last up to 3 months in the freezer!

Can I freeze Marshmallow Swirl Fudge?
Absolutely! To freeze, wrap each piece in plastic wrap, then in foil to prevent freezer burn. Lay them flat in a freezer-safe container or a zip-top bag. When you’re ready to enjoy, just let them thaw in the refrigerator or at room temperature.

What should I do if my fudge isn’t setting properly?
If the fudge isn’t setting after refrigeration, it may need more time to chill. Make sure it’s placed on a level surface and keep it in the refrigerator for at least 2 hours. If you find it’s still too soft, it might be due to overmixing during the preparation, which can introduce too much air. Always ensure you follow the swirling technique gently.

Can I make this fudge dairy-free?
Yes! Simply substitute the semi-sweet chocolate chips with dairy-free chocolate and replace the sweetened condensed milk with coconut condensed milk. You can use coconut oil instead of butter as well for a totally dairy-free treat!

Is there an alternative to marshmallow fluff?
While marshmallow fluff is ideal for its creamy texture, you can use mini marshmallows if that’s what you have on hand. Just keep in mind that they will melt into the fudge, altering the visual appeal slightly. For swirls, marshmallow fluff works best!