If you’re looking for a delightful treat that perfectly balances rich chocolate and fluffy marshmallow goodness, this Marshmallow Swirl Fudge Recipe is about to become your new favorite indulgence. It’s creamy, luscious, and swirled to perfection, making each bite a heavenly mix of textures and flavors that’s simply irresistible. Whether you’re making it for a cozy night in, a festive gathering, or a sweet gift, this fudge combines simple ingredients in a way that feels special and incredibly satisfying.

Ingredients You’ll Need
The magic of this fudge lies in its straightforward ingredients, each playing a crucial role to deliver on taste, texture, and that inviting look. With everyday pantry staples and a spoonful of marshmallow fluff, you’ll be amazed at the decadent result.
- Semi-sweet chocolate chips: Provide that rich, smooth chocolate flavor and creamy melt that is the foundation of the fudge.
- Sweetened condensed milk: Adds sweetness and a silky texture that makes the fudge irresistibly creamy.
- Unsalted butter: Helps bring all the ingredients together into a velvety mixture and enhances flavor without overpowering.
- Pure vanilla extract: Offers a subtle warmth and complexity that lifts the chocolate’s flavor.
- Pinch of salt: Balances the sweetness and amplifies the chocolate’s depth.
- Marshmallow fluff or cream: Creates those stunning, fluffy swirls that make this fudge truly unique and add a playful, airy texture.
How to Make Marshmallow Swirl Fudge Recipe
Step 1: Prepare Your Pan
Begin by lining an 8×8 inch square baking pan with parchment paper. Leave an overhang on two sides so you can easily lift the fudge out once it’s set. Don’t forget to lightly grease the parchment with butter or cooking spray – this step ensures your fudge releases smoothly without sticking.
Step 2: Melt the Chocolate Mixture
Combine the semi-sweet chocolate chips, sweetened condensed milk, and butter in a microwave-safe bowl. Heat it on high for 1 minute, then stir thoroughly. Continue microwaving in 30-second bursts and stirring vigorously until the mixture is fully melted and glossy. If you prefer classic stovetop magic, use a double boiler setup to gently melt and combine the ingredients until silky and smooth.
Step 3: Add Vanilla and Salt
Once your chocolate blend is completely smooth, stir in the pure vanilla extract and a tiny pinch of salt. These simple additions create a flavor depth that transforms this fudge base from good to unforgettable.
Step 4: Pour and Swirl the Fudge
Pour about two-thirds of the chocolate fudge directly into your prepared pan and spread it evenly with a spatula. Then, dollop spoonfuls of marshmallow fluff over this chocolate layer. Pour the remaining chocolate fudge mixture over the marshmallow dollops. Now the fun part: using a butter knife or skewer, gently swirl the marshmallow and chocolate together, creating beautiful, distinct ribbons. Be careful not to overmix to keep those dreamy swirls intact!
Step 5: Chill and Cut
Tap the pan lightly to settle the mixture. Refrigerate the fudge for at least 2-3 hours until it’s completely firm, though leaving it overnight yields the best texture and flavor melding. Once set, lift the fudge out using the parchment paper handles. Peel away the paper, then cut the fudge into 1-inch squares with a warm, sharp knife, wiping the knife clean between cuts for perfect pieces every time.
How to Serve Marshmallow Swirl Fudge Recipe
Garnishes
Enhance your fudge presentation by sprinkling a few mini marshmallows, crushed candy canes, or chopped nuts on top before chilling. These add a festive pop of texture and color that makes this fudge even more enticing to friends and family.
Side Dishes
Serve your fudge alongside a hot cup of coffee, rich dark tea, or even a creamy milkshake for the ultimate dessert experience. Its sweet richness pairs beautifully with those sips and balances out any lingering savory flavors.
Creative Ways to Present
Wrap individual fudge squares in parchment or wax paper tied with a colorful ribbon and give them as charming homemade gifts. Alternatively, arrange chunks on a decorative plate with fresh berries or edible flowers for a stunning holiday dessert table centerpiece.
Make Ahead and Storage
Storing Leftovers
Fudge keeps wonderfully in an airtight container at room temperature for up to a week. Keeping it cool but not cold preserves that velvety texture and prevents it from drying out.
Freezing
If you want to save fudge for longer, wrap it tightly in plastic wrap and foil, then freeze for up to three months. Thaw it in the fridge overnight before serving.
Reheating
Fudge is perfect served chilled, but if you prefer it slightly softer, let it sit at room temperature for 10-15 minutes. Avoid microwaving, as this can cause the marshmallow swirl to melt and lose its delightful texture.
FAQs
Can I use different types of chocolate in the Marshmallow Swirl Fudge Recipe?
Absolutely! Feel free to experiment with milk chocolate or dark chocolate chips to adjust sweetness and richness to your preference. Just keep in mind that the melting times might vary slightly.
What if I don’t have marshmallow fluff? Can I use something else?
You can substitute homemade marshmallow cream or even carefully melted marshmallows. Just be cautious to avoid burning them, as that would change the texture and flavor.
How do I get those perfect swirls without mixing everything together?
Use a gentle hand when swirling with a knife or skewer—move in slow, deliberate motions and stop as soon as you see nice swirl patterns. Overmixing will blend the layers too much.
Is this fudge gluten-free?
Yes! The ingredients in this Marshmallow Swirl Fudge Recipe are naturally gluten-free, just be sure to check labels on processed items like marshmallow fluff if gluten sensitivity is a concern.
Can I add nuts or other mix-ins to this recipe?
Definitely! Chopped walnuts, pecans, or even dried fruits would add a delightful crunch and flavor contrast. Fold them in right after mixing the vanilla and salt into the fudge base before layering.
Final Thoughts
This Marshmallow Swirl Fudge Recipe is a wonderful blend of simple ingredients that come together in the most delightful way to create a treat that’s creamy, sweet, and visually stunning. Whether you’re a seasoned fudge maker or a beginner, this recipe encourages you to dive in with joy and share the love. Trust me, once you’ve tasted this, you’ll want to make it again and again!
Print
Marshmallow Swirl Fudge Recipe
- Prep Time: 10 minutes
- Cook Time: 10 minutes
- Total Time: 25 minutes plus chilling time
- Yield: 16 servings
- Category: Dessert
- Method: No-Cook
- Cuisine: American
Description
This Marshmallow Swirl Fudge recipe is an easy and delicious treat featuring a rich, creamy chocolate base swirled with sweet marshmallow fluff. Perfect for dessert lovers, this no-bake fudge comes together quickly using simple ingredients and a microwave or double boiler. Its lovely marbled appearance makes it an attractive addition to holiday gatherings or anytime you want a decadent homemade candy.
Ingredients
Chocolate Fudge Base
- 12 ounces semi-sweet chocolate chips
- 1 (14-ounce) can sweetened condensed milk
- 1/4 cup unsalted butter
- 1 teaspoon pure vanilla extract
- Pinch of salt (about 1/8 teaspoon)
Marshmallow Swirl
- 7 ounces marshmallow fluff or cream
Instructions
- Prepare Pan: Line an 8×8 inch square baking pan with parchment paper, leaving an overhang on two sides for easy lifting. Lightly grease the parchment paper with butter or cooking spray to prevent sticking.
- Melt Chocolate Mixture: In a large microwave-safe bowl, combine the chocolate chips, sweetened condensed milk, and unsalted butter. Microwave on high for 1 minute, stir well, then continue microwaving in 30-second intervals, stirring vigorously each time until smooth and fully melted, about 2 to 3 minutes total. Alternatively, melt the mixture over simmering water using a double boiler for gentle heating.
- Add Flavorings: Once the chocolate mixture is smooth and glossy, stir in the vanilla extract and a pinch of salt until fully combined, creating the chocolate fudge base.
- Layer Base Fudge: Pour about two-thirds of the chocolate fudge mixture into the prepared pan, spreading it evenly with a spatula to form a smooth layer.
- Add Marshmallow Dollops: Spoon dollops of marshmallow fluff evenly over the chocolate fudge base.
- Top with Remaining Chocolate: Spoon the remaining one-third of the chocolate fudge mixture over the marshmallow dollops. Using a butter knife or skewer, gently swirl the marshmallow and chocolate layers together to create distinct ribbons without overmixing.
- Set the Fudge: Gently tap the pan to settle the fudge evenly. Refrigerate for at least 2 to 3 hours, or preferably overnight, until completely firm.
- Cut and Serve: Lift the set fudge out of the pan using the parchment handles. Peel away the parchment paper and use a sharp, warm knife (wiping clean between cuts) to cut the fudge into 1-inch squares. Serve and enjoy!
Notes
- Use a warm knife for cleaner fudge cuts and wipe the knife between each cut to maintain neat squares.
- For best results, refrigerate the fudge overnight to allow it to fully firm up.
- You can substitute marshmallow fluff with melted marshmallows if preferred.
- Store fudge in an airtight container in the refrigerator for up to one week.
- Double boiler method prevents burning if you prefer stovetop melting over the microwave.

