Perfect Sweet Potato Casserole

This sweet potato casserole is the ultimate comfort dish, featuring tender, creamy sweet potatoes topped with a buttery streusel crumble and sticky toasted marshmallows. Perfect for holidays like Thanksgiving or as a decadent side dish for any meal, this recipe is a guaranteed crowd-pleaser.

Why You’ll Love This Recipe

• Classic Comfort Food: Combines the sweetness of marshmallows with a rich, buttery crumble.
• Perfect for Holidays: A must-have dish for Thanksgiving or Christmas.
• Rich and Creamy: The sweet potato base is smooth, spiced, and flavorful.
• Customizable: Adjust the sweetness or toppings to your preference.
• Simple Ingredients: Uses pantry staples and fresh sweet potatoes.

Ingredients

(Tip: You can find the complete list of ingredients and their measurements in the recipe card below.)

For the Sweet Potatoes

• 3½ lbs sweet potatoes
• 1/3 cup salted butter
• 2/3 cup light brown sugar, packed
• 3/4 cup heavy whipping cream
• 1 tablespoon vanilla extract
• 1 teaspoon ground cinnamon
• 1/4 teaspoon ground nutmeg

For the Crumble Topping

• 1/2 cup all-purpose flour
• 6 tablespoons light brown sugar, packed
• 1/4 cup old-fashioned oats
• 1/2 teaspoon ground cinnamon
• 1/8 teaspoon ground nutmeg
• 4 tablespoons salted butter, melted

For the Marshmallow Topping

• Marshmallows (6 rows of 4 to cover the whole pan)

Directions

1. Prepare the Sweet Potatoes

• Cook the Sweet Potatoes: Peel and cube the sweet potatoes. Boil them in a large pot of water until fork-tender, about 15-20 minutes. Drain well.
• Mash the Potatoes: In a large mixing bowl, mash the sweet potatoes until smooth.
• Add the Sweet Potato Ingredients: Mix in the butter, brown sugar, heavy cream, vanilla extract, cinnamon, and nutmeg until fully combined and creamy. Adjust seasoning to taste.

2. Assemble the Casserole Base

• Preheat the Oven: Preheat your oven to 350°F (175°C).
• Transfer to Baking Dish: Spread the sweet potato mixture evenly into a greased 9×13-inch baking dish.

3. Make the Crumble Topping

• Mix Topping Ingredients: In a medium bowl, combine the flour, brown sugar, oats, cinnamon, and nutmeg. Drizzle in the melted butter and stir until crumbly.
• Add to the Casserole: Sprinkle the crumble topping evenly over the sweet potato mixture.

4. Add the Marshmallows and Bake

• Add Marshmallows: Arrange marshmallows in rows over the crumble topping to cover the entire pan.
• Bake: Bake in the preheated oven for 20-25 minutes, or until the marshmallows are golden brown and the topping is bubbly.

5. Serve

• Cool Slightly: Let the casserole cool for 5 minutes before serving. Enjoy warm as a side or dessert!

Servings and Timing

• Servings: 8
• Prep Time: 20 minutes
• Cook Time: 25 minutes
• Total Time: 45 minutes

Variations

• Pecan Topping: Add chopped pecans to the crumble for a nutty crunch.
• Low-Sugar Option: Reduce the sugar in the sweet potatoes and topping for a less sweet dish.
• Vegan Version: Substitute butter with plant-based margarine and cream with coconut milk. Use vegan marshmallows.
• Spiced Twist: Add a pinch of ground ginger or cardamom to the sweet potato mixture.
• Individual Servings: Make mini casseroles in ramekins for personalized portions.

Storage/Reheating

• Storage: Store leftovers in an airtight container in the refrigerator for up to 3 days.
• Reheating: Reheat in a 350°F oven for 10-15 minutes, or microwave individual portions until warm.
• Freezing: Freeze the casserole without the marshmallow topping for up to 1 month. Thaw in the refrigerator and add marshmallows before baking.

FAQs

1. Can I use canned sweet potatoes?

Yes, but drain them well and reduce the sugar in the recipe, as canned sweet potatoes are often sweetened.

2. Can I make this dish ahead of time?

Yes, assemble the casserole without the marshmallows, cover tightly, and refrigerate for up to 24 hours. Add the marshmallows and bake before serving.

3. What’s the best way to mash the sweet potatoes?

Use a potato masher, fork, or hand mixer for a smooth consistency.

4. Can I skip the marshmallows?

Absolutely! The crumble topping alone is delicious.

5. How do I prevent the marshmallows from burning?

Keep an eye on the casserole in the last few minutes of baking, and cover loosely with foil if needed.

6. What other spices can I use?

Try allspice, cloves, or pumpkin pie spice for additional warmth.

7. Can I use instant oats instead of old-fashioned oats?

Yes, but the topping may be slightly softer.

8. Is this dish gluten-free?

Use gluten-free flour and certified gluten-free oats for a gluten-free version.

9. Can I use a different type of sugar?

Yes, substitute brown sugar with coconut sugar or maple syrup for a unique flavor.

10. What can I serve this with?

This casserole pairs perfectly with roasted turkey, glazed ham, or a fresh green salad.

Conclusion

Sweet potato casserole with a buttery streusel topping and gooey marshmallows is the perfect mix of indulgence and comfort. Whether it’s a centerpiece for a holiday feast or a simple weeknight treat, this dish delivers a rich and satisfying flavor in every bite. Make it a tradition your family will look forward to year after year!

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