Thanksgiving Maple Sweet Potato Casserole

Featured in: Celebrate with Flavor

This dish brings together creamy mashed sweet potatoes, real maple syrup, and cozy spices for a comforting favorite, topped with toasty pecans and optional fluffy marshmallows. Each bite is rich with warmth and sweetness, perfect for sharing at Thanksgiving or any fall gathering. Simple steps ensure tender potatoes with golden, melty toppings. Prepare in advance and bake until bubbling, filling your kitchen with the aroma of cinnamon and maple. Loved by all ages, it's a show-stopping side that's both nostalgic and utterly delicious.

A woman is sitting at a table with a plate of food in front of her. The plate contains a dessert with berries on top.
Updated on Wed, 29 Oct 2025 23:05:48 GMT
A delicious dessert made with sweet potatoes, nuts, and maple syrup. Pin it
A delicious dessert made with sweet potatoes, nuts, and maple syrup. | recipebyme.com

This Thanksgiving maple sweet potato casserole brings comforting flavor and a touch of elegance to any holiday table. Velvety mashed sweet potatoes are kissed with pure maple, warming spices, and finished with a crackly pecan and marshmallow topping. It is a crowd-pleaser that always vanishes before the turkey does.

This was the first dish I made for my in-laws one year. Now everyone asks for it before I even get the invite to dinner. It just feels like Thanksgiving in a dish.

Ingredients

  • Sweet potatoes: Choose vibrant orange-fleshed ones for sweetest flavor and color
  • Pure maple syrup: Adds natural sweetness and depth
  • Unsalted butter: Lends richness choose European-style if possible for creaminess
  • Brown sugar: Brings classic caramel notes and gooey finish
  • Ground cinnamon: Gives warmth and that holiday aroma
  • Ground nutmeg: Adds spicy complexity use freshly grated for extra punch
  • Chopped pecans: Offer essential crunch and buttery flavor use fresh not stale
  • Mini marshmallows: Create a gooey golden top choose fresh mini size for most even melt
  • Salt: Makes the sweetness pop do not skip even in sweet dishes

Instructions

Prepare the Sweet Potatoes:
Peel and chop sweet potatoes into large chunks. Boil them in a pot of water for about fifteen to twenty minutes. When a fork slides in easily and the edges look a little frayed you know they are ready. Drain them well so the mash will not be watery.
Mash and Mix:
Add the drained sweet potatoes to a large mixing bowl. Use a sturdy potato masher to mash them until completely smooth. Add melted butter maple syrup brown sugar cinnamon nutmeg and a pinch of salt. Take a few minutes to blend those flavors together so every bite tastes like fall.
Build the Casserole:
Spread the mashed sweet potato mixture into your greased baking dish. Smooth the top with the back of a spoon so it cooks evenly and looks inviting.
Top for Texture:
Scatter the chopped pecans evenly all over the surface. If you want that extra gooey finish strew mini marshmallows over the pecans. Use enough to make a pretty layer but leave some golden pockets to peek through.
Bake to Perfection:
Place the dish uncovered in your preheated oven. Let it bake for twenty five to thirty minutes. Watch for the marshmallows to puff up and turn golden brown. That is when the magic happens and the kitchen smells incredible.
A delicious dessert made with caramelized apples and walnuts, topped with a powdered sugar.
A delicious dessert made with caramelized apples and walnuts, topped with a powdered sugar. | recipebyme.com

My favorite part about this casserole is the maple syrup. True maple infuses the whole dish with a deep almost woodsy sweetness. My niece loves to sneak a marshmallow while we layer them on top and now it has become part of our tradition to nibble as we go.

Storage Tips

Leftovers keep in the refrigerator covered tightly for up to four days. Let it cool fully before sealing so condensation does not make topping soggy. To reheat cover loosely with foil and warm in oven until heated through. The topping will re-crisp nicely this way.

Ingredient Substitutions

If you need this nut free just leave off the pecans. Swap the brown sugar for coconut sugar if that is what you have. Vegan butter and non dairy marshmallows work beautifully for a plant based swap.

Serving Suggestions

Serve this as a classic Thanksgiving side. Top with a scoop of Greek yogurt for a day after breakfast treat. Pair it with roast chicken or glazed ham for family dinners beyond the holidays.

Cultural and Historical Context

Sweet potato casseroles date all the way back to Southern holiday tables. Marshmallows were added in the twentieth century as a fun garnish to attract kids. Maple syrup has deep roots in North American harvest celebrations especially in the Northeast.

Seasonal Adaptations

Make this recipe with roasted butternut squash instead of sweet potato when squash is plentiful. Top with lightly toasted meringue for a fancy dinner. Add a handful of dried cranberries to the potatoes for a tangy twist.

Success Stories

Last Christmas my neighbor borrowed this recipe and texted me a photo of her empty dish. My son has requested it as his birthday dinner which is how I know it is a keeper. A friend with food allergies made it nut and dairy free and still wowed the crowd.

Freezer Meal Conversion

You can freeze the mashed sweet potato base in a baking dish well wrapped for up to a month. Add pecans and marshmallows after thawing before baking. Bake from cold for about thirty five minutes so it heats evenly.

A delicious dessert made with caramelized nuts and a sweet sauce, served in a bowl.
A delicious dessert made with caramelized nuts and a sweet sauce, served in a bowl. | recipebyme.com

This casserole truly captures Thanksgiving in every bite. Whether for a holiday or weeknight dinner, it brings everyone together at the table.

Recipe FAQs

→ Can I make this dish ahead of time?

Yes, you can assemble the sweet potatoes and topping up to a day ahead. Bake just before serving for best texture.

→ Can I omit marshmallows?

Absolutely. The marshmallows add sweetness and a gooey top, but the dish is delicious even without them.

→ Can I use other nuts besides pecans?

Yes, chopped walnuts or almonds also work well for crunch and flavor variety.

→ How do I know when it's done?

The sweet potato mash should be bubbling at the edges with a lightly golden, toasted topping.

→ Is it possible to make this dairy-free?

You can substitute the butter with a plant-based alternative for a dairy-free version.

Thanksgiving Maple Sweet Potato Casserole

Golden sweet potatoes blended with maple, pecans, and marshmallows for a festive holiday favorite.

Prep Time
25 min
Cook Time
30 min
Total Time
55 min
By: Sana

Category: Holiday Recipes

Skill Level: Easy

Cuisine: American

Yield: 8 Servings (One 9×13-inch casserole)

Dietary Categories: Vegetarian, Gluten-Free

Ingredients

→ Main Ingredients

01 4 cups sweet potatoes, peeled and chopped (approximately 2 large sweet potatoes)
02 1/2 cup pure maple syrup
03 1/4 cup unsalted butter, melted
04 1/4 cup brown sugar
05 1 teaspoon ground cinnamon
06 1/4 teaspoon ground nutmeg
07 1/2 cup chopped pecans
08 1 cup mini marshmallows, optional

Steps

Step 01

Preheat oven to 350°F (175°C). Coat a 9×13-inch baking dish with nonstick cooking spray.

Step 02

Place sweet potatoes in a large pot, cover with water, and bring to a boil. Cook until fork-tender, about 15 to 20 minutes.

Step 03

Drain sweet potatoes thoroughly and allow to cool slightly. Transfer to a mixing bowl and mash until smooth.

Step 04

Add melted butter, maple syrup, brown sugar, ground cinnamon, ground nutmeg, and a pinch of salt to the mashed sweet potatoes. Stir until mixture is uniformly combined.

Step 05

Spread sweet potato mixture into the prepared baking dish, smoothing the top evenly.

Step 06

Sprinkle chopped pecans over the surface. Top with mini marshmallows if desired.

Step 07

Bake for 25 to 30 minutes, until heated through and the surface turns golden brown.

Notes

  1. For best results, ensure sweet potatoes are fully drained to prevent excess moisture in the dish.

Required Equipment

  • Large pot
  • Mixing bowl
  • Potato masher
  • 9×13-inch baking dish
  • Oven

Allergen Information

Check each ingredient for potential allergens and consult a healthcare professional if needed.
  • Contains pecans and dairy ingredients.

Nutritional Info (per serving)

This data is provided as a guide and doesn't replace medical advice.
  • Calories: 290
  • Fats: 9 g
  • Carbohydrates: 51 g
  • Proteins: 2 g