Name: Sweet Potato Fries with Toasted Marshmallow Dip Recipe
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: American
Ingredients: 4 sweet potatoes peeled and cut into sticks; 3 Tablespoons olive oil; Sea salt to taste; 1/2 bag marshmallows (about 7 oz); 1/2 cup heavy cream

If you’re looking for a fun twist on your usual fries, you’ve got to try this Sweet Potato Fries with Toasted Marshmallow Dip Recipe. Trust me, the combo of crispy, sweet fries and that luscious, caramel-kissed marshmallow dip is pure magic.

A white bowl holds a pile of long, thin sweet potato fries that are golden orange with some dark brown edges. The fries are slightly crispy and are sprinkled with coarse white salt. On the left side of the bowl, there is a small round container with light beige creamy sauce. The bowl is placed on white parchment paper, and the whole setup rests on a white marbled textured surface. Another small container of the same beige sauce appears at the bottom right corner. photo taken with an iphone --ar 2:3 --v 7

Jump to:

Why You'll Love This Recipe
Ingredients & Why They Work
Make It Your Way
Step-by-Step: How I Make Sweet Potato Fries with Toasted Marshmallow Dip Recipe
Top Tip
How to Serve Sweet Potato Fries with Toasted Marshmallow Dip Recipe
Make Ahead and Storage
Frequently Asked Questions:
Final Thoughts
Sweet Potato Fries with Toasted Marshmallow Dip Recipe

Why You'll Love This Recipe

I still remember bringing this dish to a casual get-together and watching everyone’s faces light up when they dipped those golden fries into a creamy toasted marshmallow sauce. It’s an unexpected combo that just works—and feels totally indulgent without being complicated.

Perfect Crispy Texture: Oven-baked sweet potatoes get that ideal balance of crispy edges and tender centers.
Decadent Dip: The toasted marshmallow dip adds a subtly caramelized sweetness that’s rich and creamy.
Simple Ingredients: No fancy or hard-to-find stuff here—just common kitchen staples.
Family-Friendly: This recipe delights both kids and adults, making it a fantastic side for any occasion.

Ingredients & Why They Work

Before you start chopping and baking, it’s helpful to know why these ingredients make this recipe so special. Each one plays a part in creating that ideal blend of sweet, savory, and creamy flavors.

Flat lay of peeled sweet potatoes cut into sticks, a small white bowl of golden olive oil, a small white bowl of coarse sea salt crystals, a small white bowl filled with fluffy white marshmallows, a small white bowl of fresh heavy cream, and three whole uncracked brown eggs arranged with perfect symmetry, all placed on a clean white marble surface, soft natural light, photo taken with an iPhone, professional food photography style, fresh ingredients, white ceramic bowls, no bottles, no duplicates, no utensils, no packaging --ar 2:3 --v 7 --p m7354615311229779997

Sweet potatoes: Naturally sweet and perfect when roasted to crispy perfection. Peel and cut them into sticks for the best fry shape.
Olive oil: Helps the fries crisp up in the oven and adds a touch of richness.
Sea salt: Enhances the natural sweetness of the sweet potatoes and balances the flavors.
Marshmallows: To be toasted and blended into a unique dip that’s creamy with a beautiful caramelized flavor.
Heavy cream: Creates a smooth, luscious texture for the marshmallow dip, making it perfectly dippable.

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Note: You'll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Make It Your Way

This Sweet Potato Fries with Toasted Marshmallow Dip Recipe is wonderfully versatile, so don’t be afraid to make it your own. Whether you want to tweak the flavors, adjust the texture, or even cater to dietary preferences, there are plenty of delicious ways to customize this cozy treat.

Vegan Variation: I swapped out the heavy cream for full-fat coconut milk and used vegan marshmallows. The dip still had that rich, creamy feel with a subtle coconut undertone that paired beautifully with the fries.
Crispier Fries: For extra crispiness, I soaked the cut sweet potatoes in cold water for 30 minutes before baking and made sure to dry them thoroughly. It made a noticeable difference, giving the fries that perfect crunch.
Seasonal Twist: Sprinkling in a pinch of cinnamon or smoked paprika on the fries before baking adds a warm or smoky depth that complements the sweetness wonderfully. It’s like fall on a plate!
Cleanup Hack: Using parchment paper instead of tin foil made cleanup much easier and prevented any sticking—definitely my go-to now!
Flavor Boost: Toast your marshmallows a little darker next time to get an even more pronounced caramelized flavor in the dip. Just keep a close eye so they don’t burn.

Step-by-Step: How I Make Sweet Potato Fries with Toasted Marshmallow Dip Recipe

A round white bowl filled with light beige dipping sauce is placed on a soft grey cloth on a white marbled surface. Around the bowl, there are several long, thin, slightly burnt orange sweet potato fries with darkened edges. Two fries are dipped into the sauce, standing upright. In the top left corner, a white bowl lined with white parchment paper holds more sweet potato fries. photo taken with an iphone --ar 2:3 --v 7

Step 1: Prep and Coat Your Sweet Potatoes

Start by peeling and slicing 4 sweet potatoes into sticks, aiming for consistent thickness so they bake evenly. Toss them in a large bowl with 3 tablespoons of olive oil and a generous pinch of sea salt. Make sure each fry is completely coated—this helps create that irresistible crispy exterior while keeping the inside tender and sweet.

Step 2: Arrange and Bake to Perfection

Line one or two baking sheets with tin foil or parchment paper—parchment is my favorite for easy cleanup and no sticking. Spread the fries out in a single layer, giving each piece space to roast rather than steam. Pop them in a preheated oven at 475°F and bake for about 30 minutes. Halfway through, give them a gentle toss or flip to ensure even cooking. Depending on the thickness, some fries might crisp up faster, so keep an eye on them towards the end.

Step 3: Toast Those Marshmallows

While the fries bake, line a small cake pan with tin foil and spread about half a bag (roughly 7 oz) of marshmallows in a single layer. Place the marshmallows in the oven alongside the fries and let them toast for about 5 minutes. You’re aiming for a puffed look with a golden, lightly caramelized top. Don’t wander too far—the marshmallows can brown quickly!

Step 4: Blend Your Dreamy Dip

Once toasted, carefully transfer the marshmallows to a blender along with ½ cup of heavy cream. The marshmallows will be sticky and gooey—scrape off as much as you can from the foil to avoid waste. Blend until silky smooth, adding a splash more heavy cream if you want a thinner consistency. The result is a luscious, creamy dip that’s decadently sweet with just a hint of that toasty caramel flavor.

Step 5: Serve and Savor

Pull the fries from the oven and give them a final taste test. Add a little more sea salt if needed—that balance of salty and sweet is what truly makes this dish sing. Serve the fries hot, paired alongside your irresistible toasted marshmallow dip. Get ready to dig in and enjoy the unique combo of crispy sweetness and creamy indulgence!

Top Tip

Getting the perfect balance of crispy fries and a decadent, smooth dip is key to mastering this Sweet Potato Fries with Toasted Marshmallow Dip Recipe. Here are some tips I've gathered that truly make a difference in the outcome and your enjoyment of this dish.

Soak and Dry: Soaking the sweet potato sticks in cold water for 30 minutes before baking helped me get that extra crispiness I craved. Just be sure to dry them thoroughly, or the oil won't stick well and fries might steam instead of crisp.
Keep an Eye on the Marshmallows: Toasting marshmallows in the oven is quick, and they brown fast! I learned to watch closely after 4 minutes to avoid burning, as that can make the dip bitter.
Layer Evenly: Arranging both fries and marshmallows in a single layer ensures they cook evenly. Crowding the pan can cause uneven texture and slower cooking.
Adjust Dip Consistency: When blending the toasted marshmallows and cream, adding a splash more cream little by little makes a smoother, more dip-friendly texture without losing that rich, toasted flavor.

How to Serve Sweet Potato Fries with Toasted Marshmallow Dip Recipe

This image shows a dark bowl filled with bright orange sweet potato sticks stacked unevenly. They are sprinkled with coarse white salt grains that add a rough texture on top. The bowl sits on a white marbled surface, which adds a clean and light contrast to the rich orange color of the sweet potato sticks. photo taken with an iphone --ar 2:3 --v 7

Garnishes

To elevate the presentation and flavor, try sprinkling a pinch of smoked paprika or chili powder on the fries just before serving for a subtle smoky kick. Fresh herbs like finely chopped rosemary or thyme can also add an aromatic touch that pairs beautifully with the sweet potato's earthiness. For the dip, a light drizzle of honey or a tiny sprinkle of crushed graham crackers on top adds a playful texture and enhances that toasted marshmallow vibe.

Side Dishes

This Sweet Potato Fries with Toasted Marshmallow Dip shines as a unique side dish alongside grilled chicken, smoky barbecue ribs, or even a juicy veggie burger. It pairs nicely with fresh green salads featuring tangy vinaigrettes to cut through the richness. For a fun twist, serve it alongside a bowl of classic chili or pulled pork sliders to impress guests with both sweet and savory contrasts.

Make Ahead and Storage

Storing Leftovers

Store any leftover sweet potato fries in an airtight container in the refrigerator for up to 2 days. Keep the toasted marshmallow dip in a separate sealed container to preserve its creamy texture and toasted flavor. This separation helps avoid sogginess and keeps both components tasting fresh.

Freezing

While the fries can be frozen, it’s best to flash-freeze them first by spreading them in a single layer on a baking sheet, freezing until solid, then transferring to a freezer-safe bag for up to 1 month. The marshmallow dip, however, doesn’t freeze well — it tends to separate and lose its smooth texture, so it’s best to enjoy it fresh.

Reheating

To reheat leftover fries, preheat your oven to 400 degrees Fahrenheit and place them on a baking sheet lined with parchment paper. Warm them for about 10 minutes until crisp again. Avoid the microwave to prevent sogginess. The toasted marshmallow dip is best served cold or at room temperature; give it a quick stir before serving if it has thickened up in the fridge.

Frequently Asked Questions:

Can I use regular potatoes instead of sweet potatoes for this recipe?

Absolutely! While sweet potatoes bring their natural sweetness which complements the toasted marshmallow dip perfectly, you can use regular potatoes for a savory twist. Just note regular potatoes might require a slightly different bake time and won’t pair as naturally with the sweet dip.

How do I make this dish vegan-friendly?

Simply substitute the heavy cream with full-fat coconut milk and use vegan marshmallows instead of regular ones. These swaps keep the dip creamy and delicious while adhering to vegan preferences.

Is it possible to make the marshmallow dip ahead of time?

You can prepare the toasted marshmallow dip a few hours ahead and keep it refrigerated. However, because marshmallow dip can thicken or stiffen, give it a quick stir or add a bit more heavy cream before serving to bring it back to the perfect consistency.

Why do you recommend 475 degrees Fahrenheit for baking the fries?

Baking at 475°F ensures the fries cook quickly and develop a crispy exterior without drying out the inside. It maximizes caramelization which enhances the natural sweetness and texture of the sweet potatoes.

Final Thoughts

Making these Sweet Potato Fries with Toasted Marshmallow Dip is such a delightful adventure—combining an unexpected dip that elevates the fries into something truly special. Whether for a cozy night in, a unique party appetizer, or just to indulge your sweet and savory cravings, this recipe never fails to impress. I hope you enjoy the crispy fries paired with that luscious, caramelized dip as much as I do. Happy cooking and happy dipping!