Oh, sweet potato casserole with marshmallows—just saying those words makes me smile! It’s the dish that always disappears first at our holiday table, and I swear my cousin Mark tries to sneak thirds when no one’s looking. There’s something magical about that creamy sweet potato base meeting those gooey, toasted marshmallows on top.

I’ll never forget the year my grandma let me help make it for the first time. I was seven, standing on a stool at her counter, carefully arranging those mini marshmallows in neat little rows (which, of course, melted into delicious chaos in the oven). Now every time I make it, the smell takes me right back to her warm kitchen filled with laughter and the clatter of holiday dishes.

This isn’t just any side dish—it’s pure comfort in a baking dish, the kind of recipe that turns regular meals into celebrations. Whether it’s Thanksgiving, Christmas, or just a cozy Sunday dinner, this casserole makes everything feel special.

Why You’ll Love This Sweet Potato Casserole with Marshmallows

Trust me, this isn’t just another side dish—it’s the star of every holiday meal! Here’s why it’s my absolute favorite:

• Creamy dreamy texture: That smooth sweet potato base melts in your mouth, while the marshmallows toast up perfectly gooey on top
• Easy peasy prep: Just mix, pour, bake—even my kids can help make it (and they love “testing” the marshmallows)
• Crowd-pleaser magic: Picky eaters and foodies alike go crazy for this nostalgic comfort food
• Holiday hero: It brings that special festive touch to Thanksgiving, Christmas, or any gathering that needs extra warmth

Seriously, one bite and you’ll understand why this casserole disappears faster than the pumpkin pie!

Ingredients for Sweet Potato Casserole with Marshmallows

Gathering your ingredients is half the fun—just wait until you smell this baking! Here’s exactly what you’ll need (and yes, the marshmallows are non-negotiable):

• 3 cups mashed sweet potatoes (about 2 large potatoes, roasted and peeled—trust me, fresh makes all the difference)
• 1/2 cup granulated sugar (or adjust to your sweetness preference)
• 2 large eggs (room temperature blends smoother)
• 1/2 cup milk (whole milk gives the creamiest texture)
• 1/4 cup melted butter (salted or unsalted both work—I use what’s in my fridge)
• 1 tsp vanilla extract (the good stuff—no imitation here!)
• 1/2 tsp salt (balances all that sweetness perfectly)
• 1 cup mini marshmallows (or go wild and add extra for serious toasty goodness)

See? Simple ingredients you probably already have—just waiting to become something magical!

How to Make Sweet Potato Casserole with Marshmallows

Okay, let’s get to the fun part—turning these simple ingredients into golden, marshmallow-topped perfection! Don’t worry, it’s easier than remembering all your cousins’ names at Thanksgiving.

Prep the Sweet Potato Mixture

First things first—preheat that oven to 350°F (no cheating here, it needs to be nice and hot!). Grab your favorite mixing bowl (mine’s the chipped yellow one that’s seen every holiday since ’98). Now, here’s my secret: add the mashed sweet potatoes first, then the sugar, eggs, milk, melted butter, vanilla, and salt. Mix gently but thoroughly—you want it smooth like Thanksgiving morning gravy, no lumps allowed!

Pour that gorgeous orange mixture into your greased baking dish (I use butter for this—none of that cooking spray nonsense). Pro tip: give the dish a little shake to even it out—no need for fancy smoothing tools!

Bake and Add Marshmallows

Slide that beauty into the oven for 25 minutes—just enough time to set the base but keep it gloriously creamy. When the timer dings, pull it out (careful, the dish is hot!) and scatter those mini marshmallows across the top like fluffy little clouds.

Now the magic happens—back in the oven it goes! Watch closely for about 3-5 minutes until the marshmallows turn golden brown. If you’re feeling fancy, give it a quick broil at the end—but don’t blink or they’ll go from golden to charcoal! The smell alone will have everyone crowding into your kitchen.

Tips for Perfect Sweet Potato Casserole with Marshmallows

After making this casserole more times than I can count (and surviving a few marshmallow disasters), here are my foolproof tricks:

• Fresh is best: Roast your own sweet potatoes—canned ones just don’t give that rich, velvety texture. I bake mine whole until fork-tender, then peel when cool.
• Sweetness control: Taste your mashed potatoes first! Some are sweeter than others, so adjust the sugar. I sometimes swap half for brown sugar when I want deeper flavor.
• Broiler dance: When toasting marshmallows, stay put! They go from golden to blackened in seconds. I keep the oven light on and watch like a hawk.

Oh, and always make extra—this disappears faster than holiday leftovers!

Variations for Sweet Potato Casserole with Marshmallows

This recipe is like your favorite sweater—perfect as-is but fun to dress up! Here are my favorite ways to mix things up:

• Crunch time: Sprinkle chopped pecans or walnuts over the marshmallows for that perfect salty-sweet crunch
• Spice it up: Add a teaspoon of cinnamon or pumpkin pie spice to the sweet potato mix—smells like holidays in a bowl
• Brown sugar magic: Swap half the white sugar for brown sugar to deepen the flavor (my cousin swears this is the secret to her famous version)

See? Endless ways to make this classic your own!

Serving Sweet Potato Casserole with Marshmallows

This casserole is the ultimate team player at any holiday spread! I love serving it alongside roasted turkey or glazed ham—the sweetness balances those savory mains perfectly. For smaller meals, it’s divine with roasted chicken or even piled next to garlicky greens. Leftovers? Just pop a slice in the oven at 350°F for about 10 minutes to revive that gooey marshmallow magic. Trust me, it’s just as good the second day (if it lasts that long)!

Storing Sweet Potato Casserole with Marshmallows

Here’s the good news – this casserole keeps like a dream! Just cover any leftovers (if you’re lucky enough to have some) tightly with foil or plastic wrap and pop them in the fridge for up to 3 days. When you’re ready for round two, reheat at 350°F for about 15 minutes until warmed through. Pro tip: add a fresh handful of marshmallows before reheating for that just-baked look and gooey texture all over again!

Nutritional Information

Now, I’m no nutritionist, but here’s the scoop on what’s in this sweet potato goodness: Each serving (about 1/6 of the dish) clocks in around 280 calories. It’s got 3g fiber from those lovely sweet potatoes and 4g protein—not bad for something that tastes like dessert! Remember, these are just estimates (my marshmallow-heavy slices might run a tad higher!).

FAQs About Sweet Potato Casserole with Marshmallows

Can I use canned sweet potatoes?
You can, but fresh roasted sweet potatoes give better texture and flavor. If you’re in a pinch, drain canned sweet potatoes well and mash thoroughly—just expect a slightly softer consistency.

Can I make it ahead?
Absolutely! Prep the sweet potato mixture up to 2 days ahead and refrigerate. Add marshmallows just before baking—they’ll get tough if stored overnight.

Any vegan swaps?
Easy! Use plant-based butter, flax eggs (1 tbsp ground flax + 3 tbsp water per egg), and coconut milk. Vegan marshmallows toast beautifully—just watch them closely under the broiler.

Why mini marshmallows?
They melt evenly without overwhelming the casserole. Regular marshmallows work too—just tear them into smaller pieces so they distribute nicely.

Irresistible Sweet Potato Casserole with Marshmallows Recipe

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• Author: ushinzomr
• Total Time: 45 minutes
• Yield: 6 servings 1x
• Diet: Vegetarian

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Description

A comforting sweet potato casserole topped with gooey marshmallows.

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Ingredients

Scale 1x2x3x

• 3 cups mashed sweet potatoes
• 1/2 cup granulated sugar
• 2 eggs
• 1/2 cup milk
• 1/4 cup melted butter
• 1 tsp vanilla extract
• 1/2 tsp salt
• 1 cup mini marshmallows

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Instructions

1. Preheat oven to 350°F.
2. Mix mashed sweet potatoes, sugar, eggs, milk, melted butter, vanilla, and salt.
3. Pour mixture into a greased baking dish.
4. Bake for 25 minutes.
5. Remove from oven and top with marshmallows.
6. Return to oven and bake until marshmallows are golden brown.

Notes

• Use freshly cooked sweet potatoes for best texture.
• Adjust sugar to taste.
• Broil briefly for extra browning.

• Prep Time: 15 minutes
• Cook Time: 30 minutes
• Category: Dessert
• Method: Baked
• Cuisine: American

Nutrition

• Serving Size: 1/6 of recipe
• Calories: 280
• Sugar: 25g
• Sodium: 220mg
• Fat: 9g
• Saturated Fat: 5g
• Unsaturated Fat: 3g
• Trans Fat: 0g
• Carbohydrates: 45g
• Fiber: 3g
• Protein: 4g
• Cholesterol: 55mg

Keywords: sweet potato casserole, marshmallow topping, holiday side dish