Southern Maple Sweet Potato Casserole

Category: The Perfect Partner to Any Meal

This Southern-inspired casserole combines oven-roasted sweet potatoes with warm spices, maple syrup, and brown sugar for a delightfully sweet base. The potatoes are partially mashed while maintaining some chunks for texture, then mixed with plump, soaked raisins and marshmallows. Everything gets topped with maple-glazed pecans and baked until golden brown. The result is a perfect balance of creamy sweet potatoes, melted marshmallows, and crunchy pecan topping. It's ideal for holiday gatherings but simple enough for weekend family meals. Can be prepared ahead of time and customized with traditional crumble topping if preferred.

A woman wearing an apron and smiling while holding a plate of food.
Last updated on Wed, 12 Nov 2025 20:13:42 GMT
A close up of a delicious Southern Maple Sweet Potato Casserole. Bookmark
A close up of a delicious Southern Maple Sweet Potato Casserole. | quicklish.com

This Southern Maple Sweet Potato Casserole transforms humble sweet potatoes into a decadent, flavor-packed side dish that perfectly balances sweet and savory notes. The combination of roasted sweet potatoes, warm spices, and crunchy pecan topping creates a dish that feels like home, no matter where you're from.

I first made this casserole when I was tasked with bringing a side dish to my inlaws' Thanksgiving dinner. Even my sweet potato-skeptic brother-in-law went back for seconds, and now it's requested at every family gathering.

Ingredients

  • Sweet potatoes create the naturally sweet and creamy base choose firm ones with deep orange flesh for best flavor
  • Maple syrup adds depth that regular sugar simply cannot match look for pure maple syrup not pancake syrup
  • Cinnamon nutmeg and allspice create that signature warm holiday flavor profile
  • Raisins offer little bursts of concentrated sweetness throughout the dish
  • Marshmallows create that nostalgic gooey layer that children and adults alike adore
  • Pecans provide essential textural contrast and nutty flavor against the creamy potatoes

Step-by-Step Instructions

Roast the Sweet Potatoes
Cube sweet potatoes into even chunks about 1 inch in size to ensure they cook at the same rate. Toss thoroughly with olive oil until each piece glistens then coat with cinnamon and nutmeg. Spread in a single layer on your baking sheet giving each piece breathing room to allow caramelization rather than steaming. Roasting at 400°F develops deeper flavor through caramelization than boiling ever could.
Create the Filling
Combine your roasted potatoes while still warm with milk vanilla and sweeteners. The warm potatoes will absorb flavors more readily at this stage. Fold everything gently to maintain some potato chunks for texture instead of creating a fully smooth mixture. Tuck additional marshmallows throughout the mixture which will create pockets of gooey sweetness in the finished dish.
Prepare the Pecan Topping
Coat pecans thoroughly with maple syrup ensuring each piece gets a light glaze. This creates a candied effect when baked rather than just toasted nuts. Spread this mixture generously and evenly across the top of your casserole to ensure each serving gets the perfect ratio of creamy potatoes to crunchy topping.
Bake in Stages
Cover the casserole with foil for the first portion of baking which allows flavors to meld without burning the topping. Remove the foil for the final stage to achieve that perfect golden brown color and to allow the marshmallows to melt into a beautiful golden crust that makes this dish irresistible.
A bowl of Southern Maple Sweet Potato Casserole. Bookmark
A bowl of Southern Maple Sweet Potato Casserole. | Quicklish.com

The soaked raisins are my secret weapon in this recipe. I discovered their transformative power by accident when I ran out of time and left them soaking too long. The plump juicy texture and concentrated sweetness they add makes all the difference between a good casserole and a great one.

Make Ahead Strategies

This casserole is perfect for holiday planning as almost every component can be prepared ahead of time. Roast the sweet potatoes up to three days before assembly and store them in the refrigerator. The pecan topping can be mixed and stored separately in an airtight container. On the day of serving simply assemble the casserole cold from the refrigerator then add about 10 extra minutes to the baking time to account for the chilled ingredients.

Creative Variations

While this traditional version is perfect for Thanksgiving dinner you can easily adapt this casserole for different occasions. For a tropical twist substitute half the raisins with diced dried pineapple and add a quarter cup of shredded coconut to the topping. For a spicy variation add half a teaspoon of chipotle powder to the sweet potato mixture which creates an intriguing sweet heat combination. During winter months try adding orange zest and a splash of Grand Marnier to the potato mixture for a sophisticated holiday flavor.

Serving Suggestions

This casserole shines brightest when paired with savory mains that balance its sweetness. Serve alongside roasted turkey herb crusted beef tenderloin or a vegetarian mushroom wellington. For a complete plate add something green and slightly bitter like roasted Brussels sprouts or a simple arugula salad with lemon vinaigrette. The temperature contrast between the hot casserole and cool salad creates a particularly satisfying eating experience.

Recipe Q&A

→ Can I make this sweet potato casserole ahead of time?

Yes! You can prep and roast the sweet potatoes in advance, let them cool completely, and store in an airtight container in the refrigerator. On serving day, bring the potatoes to room temperature for a few minutes before assembling the casserole according to the recipe instructions.

→ How do I store leftovers?

Leftovers can be stored in a tightly sealed container in the refrigerator for up to 4 days for optimal freshness. Reheat individual portions in the microwave or larger amounts in the oven at 350°F until warmed through.

→ Why should I soak the raisins?

Soaking raisins creates more plump and tender fruit in the final dish. Simply add them to a bowl and cover with boiling water for 5-10 minutes, then drain before adding to the recipe. For an adult-friendly variation, you can also soak the raisins in rum or bourbon.

→ Is there a vegan option for this casserole?

Yes! For a vegan version, you can substitute plant-based butter for the unsalted butter, ensure your marshmallows are vegan (or omit them), and use your favorite plant-based milk. The recipe already suggests almond milk as an option.

→ Can I make this without marshmallows?

Absolutely! You can omit the marshmallows entirely or opt for a traditional pecan crumble topping instead. The sweet potatoes, maple syrup, and spices will still create a delicious casserole even without the marshmallows.

→ What's the best way to achieve the perfect texture?

The ideal texture comes from having both mashed and chunky sweet potatoes. When mixing the filling, it's okay if some potatoes start to mash while others remain in chunks. This creates a pleasing varied texture in the final casserole.

Southern Maple Sweet Potato

Tender sweet potatoes blended with maple syrup, topped with melted marshmallows and maple-glazed pecans for the perfect holiday side.

Prep Time
20 min
Cook Time
90 min
Total Time
110 min
By: Grace

Category: Side Dishes

Skill Level: Easy

Cuisine: Southern American

Yield: 8 Servings (One 9x13 casserole)

Dietary Preferences: Vegetarian, Gluten-Free

Ingredients

→ Roasted Sweet Potatoes

01 4 large organic sweet potatoes, peeled and cubed
02 2-3 tablespoons extra virgin olive oil
03 1 teaspoon ground cinnamon
04 ½ teaspoon ground nutmeg

→ Filling

05 ½ cup almond milk (or whole milk or preferred plant-based milk)
06 2 teaspoons vanilla extract
07 4 tablespoons unsalted butter, cubed into small pieces
08 ⅓ cup organic brown sugar
09 ¼ cup pure maple syrup
10 1 teaspoon ground cinnamon
11 ⅛ teaspoon ground nutmeg
12 Pinch of ground allspice
13 1 cup organic raisins, soaked and drained
14 2 cups marshmallows

→ Topping

15 1½ cups raw pecans
16 ¼ cup pure maple syrup

Steps

Step 01

Preheat the oven to 400°F (200°C) and line a baking sheet with parchment paper. In a bowl, combine the cubed sweet potatoes with olive oil, cinnamon, and nutmeg, tossing until fully coated. Spread sweet potatoes in a single layer on the baking sheet and bake for 50-60 minutes until tender, charred, and golden. Remove from oven and allow to cool slightly.

Step 02

Preheat the oven to 375°F (190°C) and lightly grease a large 9x13 baking dish. In a bowl, combine the roasted sweet potatoes, milk, vanilla, brown sugar, maple syrup, cinnamon, nutmeg, allspice, raisins, and marshmallows. Mix until combined, allowing some sweet potato to mash while maintaining chunks for texture. Transfer mixture to the prepared baking dish, spreading evenly. Distribute pieces of butter throughout the casserole and gently press additional marshmallows into the mixture.

Step 03

In a bowl, combine pecans and maple syrup, stirring until thoroughly coated. Distribute the pecan topping evenly over the sweet potato mixture until fully covered. Cover the baking dish with foil.

Step 04

Bake the covered casserole for approximately 15 minutes. Remove the foil and continue baking for an additional 15 minutes until the topping is golden brown and marshmallows have melted. Remove from the oven and allow to cool slightly before serving.

Notes

  1. Leftovers can be stored in a tightly sealed container in the refrigerator for up to 4 days for optimal freshness.
  2. For make-ahead preparation, roast the sweet potatoes in advance, cool completely, and store in an airtight container in the refrigerator until needed. Allow to return to room temperature for a few minutes before assembling.
  3. To create plump and tender raisins, soak them in boiling water for 5-10 minutes, then drain before adding to the recipe. For an adult-friendly variation, soak raisins in rum or bourbon.
  4. For a traditional option, substitute with a pecan crumble topping.
  5. For a vegan alternative, refer to the Vegan Skillet Sweet Potato Casserole recipe.

Required Tools

  • 9x13 baking dish
  • Baking sheet
  • Parchment paper
  • Mixing bowls
  • Wooden spoons
  • Aluminum foil

Allergen Information

Check each ingredient for possible allergens, and consult a healthcare professional if unsure.
  • Contains tree nuts (pecans)
  • May contain dairy (butter, milk)

Nutritional Information (per serving)

These details are for guidance and shouldn't replace professional medical advice.
  • Calories: 187
  • Fats: 4 g
  • Carbohydrates: 38 g
  • Proteins: 0.5 g