Sweet Potato Casserole with Marshmallows | Classic Holiday Comfort

Some dishes don’t just belong to the holiday — they are the holiday.
This Sweet Potato Casserole with Marshmallows is that kind of recipe: rich, creamy, and crowned with a blanket of golden, toasty sweetness.

It’s the dish that smells like family gathering in the kitchen, where laughter and cinnamon hang in the air. Simple ingredients — butter, brown sugar, vanilla — come together to create something truly memorable.

If love had a flavor, this might be it.

Sweet Potato Casserole with Marshmallows

Creamy sweet potatoes baked with butter, brown sugar, and warm spices, topped with gooey golden marshmallows — a classic holiday side that everyone loves.

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Prep Time 15 minutes mins

Cook Time 30 minutes mins

Course Dessert, Side Dish

Cuisine American, Holidays

Servings 8

Equipment

• Large pot
• Mixing bowl
• Potato masher
• 9×13-inch baking dish
• Oven mitts (for that golden top reveal 😉)

Ingredients

  

• 4 large sweet potatoes about 3 lbs, peeled and cubed
• ½ cup unsalted butter melted
• ½ cup brown sugar packed
• ¼ cup heavy cream or milk
• 1 tsp pure vanilla extract
• 1 tsp cinnamon
• ¼ tsp nutmeg
• ¼ tsp salt
• 2 cups mini marshmallows or more to taste

Instructions

 

Cook Sweet Potatoes:

• Boil sweet potato cubes in a large pot until tender (about 15 minutes). Drain and let cool slightly.

Mash & Mix:

• Mash potatoes in a bowl. Stir in melted butter, brown sugar, cream, vanilla, cinnamon, nutmeg, and salt until smooth.

Assemble:

• Spread mixture evenly into a greased 9×13-inch baking dish.

Top:

• Add mini marshmallows evenly on top.
  

Bake:

• Bake at 375°F (190°C) for 20–25 minutes, or until marshmallows are puffed and golden brown.

Serve:

• Let rest 10 minutes before serving — warm, gooey, and perfect.

Notes

💡 Quick Tip: For a more caramelized flavor, use dark brown sugar or add a drizzle of maple syrup before baking.

🧊 Storage: Store leftovers in the fridge for up to 4 days. Reheat gently in the oven to keep the marshmallows crisp.

Keyword baked marshmallow topping, classic holiday recipes, creamy sweet potatoes, holiday comfort food, sweet potato casserole, sweet potato casserole with marshmallows, thanksgiving side dish

🌿 Tips & Variations

• Nutty Crunch: Add a pecan crumble topping for texture (1 cup chopped pecans + 2 tbsp brown sugar + 1 tbsp butter).
• Mini Dish Option: Bake in individual ramekins for adorable single servings.
• Vegan Version: Swap butter for coconut oil and marshmallows for vegan ones.
• Extra Creamy: Blend potatoes with a hand mixer for whipped, dessert-like texture.
• Flavor Twist: Add a pinch of ginger or a splash of orange juice for brightness.

🍷 Serving Suggestions

• Pair beside Juicy Herb-Roasted Turkey for that sweet-and-savory contrast everyone craves.
• Serve with Brown Butter Mashed Potatoes and Cranberry Orange Relish for a colorful, balanced feast.
• Add a drizzle of maple syrup or sprinkle of toasted pecans for a warm finishing touch.
• Delicious even the next day, slightly warmed for breakfast.

💬 “Some recipes are memories you can taste .”
— The Recipe Host

🧡 Shop My Holiday Kitchen:

When it comes to sweet-potato casserole with that golden marshmallow-top, a few key tools make all the difference — a stunning oven-to-table ceramic baking dish, a trusty potato masher (this helps smooth out the sweet potatoes before the top layer), and a gorgeous butter dish set on the side to bring style to the table. When you’ve got those three, your casserole rises from side-dish to show-stopper.