Easy Sweet Potato Casserole Recipe
Introduction
Sweet potato casserole is a classic comfort dish that’s both sweet and satisfying. This easy recipe combines creamy mashed sweet potatoes with a golden, toasted marshmallow topping, perfect for holidays or any cozy meal.

Ingredients
- 4 large sweet potatoes (peeled and cut into large pieces)
- 1 cup light brown sugar
- ½ cup butter, melted
- 1 teaspoon vanilla extract
- ½ teaspoon cinnamon
- ½ teaspoon salt
- ¼ teaspoon nutmeg
- 10 oz mini marshmallows
Instructions
- Step 1: Peel the sweet potatoes and cut them into large chunks. Place them in a large saucepan and cover with water.
- Step 2: Bring the water to a boil and cook the sweet potatoes until they are tender and easily pierced with a fork.
- Step 3: Drain the sweet potatoes and return them to the saucepan. Use a potato masher to mash them thoroughly.
- Step 4: Add melted butter, brown sugar, salt, cinnamon, vanilla extract, and nutmeg. Mix until well combined.
- Step 5: Grease a 9×13-inch baking dish with cooking spray.
- Step 6: Spread the sweet potato mixture evenly in the prepared baking dish.
- Step 7: Top evenly with mini marshmallows.
- Step 8: Bake at 350°F (175°C) for 25–35 minutes, until bubbly and marshmallows are golden brown. Watch carefully near the end to avoid burning.
Tips & Variations
- For extra crunch, sprinkle chopped pecans on top of the marshmallows before baking.
- Try swapping vanilla extract for a splash of orange juice for a citrus twist.
- Use coconut oil instead of butter for a subtle tropical flavor.
Storage
Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat covered in the oven at 350°F until warmed through, or microwave individual portions. Marshmallows may lose some texture when reheated.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I make this casserole ahead of time?
Yes, you can prepare the sweet potato mixture a day in advance and refrigerate it. Add the marshmallow topping just before baking for best results.
What can I use instead of marshmallows?
You can top the casserole with a pecan streusel or a crumbly oat topping if you prefer to avoid marshmallows.
PrintEasy Sweet Potato Casserole Recipe
This Easy Sweet Potato Casserole combines tender, mashed sweet potatoes with a blend of warm spices and brown sugar, topped with a golden, toasted marshmallow layer. It’s a classic, comforting side dish perfect for holiday meals or cozy family dinners.
- Prep Time: 15 minutes
- Cook Time: 35 minutes
- Total Time: 50 minutes
- Yield: 8 servings 1x
- Category: Side Dish
- Method: Baking
- Cuisine: American
Ingredients
Sweet Potato Filling
- 4 large sweet potatoes (peeled and cut into large pieces)
- 1 cup light brown sugar
- ½ cup butter, melted
- 1 teaspoon vanilla extract
- ½ teaspoon cinnamon
- ½ teaspoon salt
- ¼ teaspoon nutmeg
Marshmallow Layer
- 10 oz mini marshmallows
Instructions
- Prepare the Sweet Potatoes: Peel the sweet potatoes and cut them into large chunks. Place them in a large saucepan and cover with water.
- Cook the Sweet Potatoes: Bring the water to a boil and cook the sweet potatoes until tender and easily pierced with a fork, about 15-20 minutes. They should be soft enough to fall apart easily.
- Mash the Potatoes: Drain the sweet potatoes and return them to the saucepan. Use a potato masher to mash them thoroughly to a smooth consistency.
- Add Filling Ingredients: Mix in the melted butter, brown sugar, salt, cinnamon, vanilla extract, and nutmeg until everything is well combined and smooth.
- Prepare Baking Dish: Grease a 9×13-inch baking dish with cooking spray to prevent sticking.
- Assemble the Casserole: Spread the sweet potato filling evenly in the prepared baking dish.
- Add Marshmallow Topping: Evenly spread mini marshmallows over the sweet potato layer.
- Bake: Bake in a preheated oven at 350°F (175°C) for 25-35 minutes, or until the casserole is bubbly and marshmallows are golden brown. Watch closely near the end to prevent burning.
Notes
- Use fresh sweet potatoes for best flavor and texture.
- For a nuttier flavor, consider adding chopped pecans on top before adding marshmallows.
- Adjust the brown sugar depending on your desired sweetness level.
- Toasting marshmallows can happen quickly towards the end—keep a close eye to avoid burning.
- This casserole can be prepared a day in advance and refrigerated before baking.
Keywords: sweet potato casserole, holiday side dish, mashed sweet potatoes, marshmallow topping, easy casserole recipe

