Crispy Sweet Potato Crunch Recipe with Maple-Pecan Topping

Sweet potato crunch is a classic casserole that balances sweet, salty, buttery and crunchy elements. Smooth, creamy sweet potatoes are finished with a candied pecan topping for an ideal holiday side dish or any comforting meal.

A serving spoonful of sweet potato crunch being taken from a casserole dish.
A delicious side dish for your holiday meal.

This sweet potato casserole is one of our favorite vegetable holiday sides—creamy, warming, and texturally interesting.

Why we love this recipe

  • Versatile: It’s a must-have for Thanksgiving and Christmas, but it shines any time you want a cozy side dish.
  • Make-ahead: Prepare the casserole ahead of time and bake when ready to serve—perfect for busy holiday days.
  • Textured: Creamy sweet potato filling contrasted with crunchy candied pecans gives every bite interest.
Baked sweet potato crunch casserole in a glass casserole dish.
Deliciously creamy with a sweet crunchy topping.

What is sweet potato crunch?

Sweet potato crunch is a Southern-inspired casserole made from mashed sweet potatoes combined with cream, butter, egg and warm spices, then topped with a crunchy sweet topping. Some versions use marshmallows, but this recipe highlights candied pecans for a satisfying crunch.

Warm spices—cinnamon, nutmeg, ginger, cloves and allspice—play well with the natural sweetness of the potatoes, but you can adjust the spice mix to suit your taste.

Ingredient notes

Full ingredient quantities and instructions are in the recipe card below.

The ingredients for making the casserole.
Just a few simple ingredients required
  • Sweet potatoes: Boiling is fast, but roasting adds extra caramelized flavor. Use orange-fleshed varieties like Garnet, Jewel or Beauregard.
  • Cream: Heavy cream yields the richest, smoothest texture; half-and-half lightens the dish if desired.
  • Butter: Adds depth to both the filling and the topping; use unsalted to control seasoning.
  • Egg: Gives the filling structure without weighing it down.
  • Pumpkin pie spice: A ready-made blend of cinnamon, nutmeg, ginger, cloves and allspice that brings warmth—substitute a mix of cinnamon and allspice if needed.
  • Salt: Balances the sweetness and brightens the flavors.
The ingredients for the pecan crunch casserole topping.
  • Pecans: Provide a crunchy contrast to the creamy filling. Walnuts or almonds work well as alternatives.
  • Brown sugar: Adds caramel notes and depth—use packed brown sugar for the topping to help it bind.

How to make sweet potato crunch

Full instructions are in the recipe card below.

  1. Boil peeled, cubed sweet potatoes in salted water until fork-tender, about 20 minutes.
  2. Preheat the oven to 350°F and butter a 9-inch casserole dish.
  3. Drain the sweet potatoes and let them cool, or rinse briefly with cold water to stop cooking—this prevents the egg from scrambling when mixed in.
  4. In a large bowl, combine the cooled potatoes with the whisked egg, cream, softened butter, salt and pumpkin pie spice. Mash with a potato masher or fork.
  5. Beat the mixture on medium with an electric mixer until smooth and creamy.
  6. Spread the sweet potato mixture evenly in the prepared casserole dish.
  7. In a medium bowl, blend chopped pecans, brown sugar and softened butter with a pastry blender or fork until crumbly.
  8. Distribute the pecan mixture evenly over the sweet potatoes.
  9. Bake for about 30 minutes, then let the casserole rest for 10 minutes before serving so it firms up slightly.
The first four steps of the casserole preparation.
The pecan topping being mixed together and then spread on the sweet potato filling.
The pecan crunch is easily made and then tops the casserole.

After baking, the casserole should be lightly bubbling and the pecan topping golden. Cool briefly before serving.

A serving of sweet potato crunch with green beans on a black plate.
Ready to enjoy

Storage & reheating

This casserole stores and reheats well—great for leftovers.

  • Fridge: Keep covered in the refrigerator for 3–4 days.
  • Freezer: Once cooled, wrap the dish tightly or portion into containers and freeze for up to 3 months.
  • Reheat: Thaw overnight in the fridge if frozen. Reheat covered in a 325°F oven for 10–15 minutes or until warmed through.

Variations

  • Marshmallows: Add mini marshmallows on top of the pecans for a soft, sweet contrast, or swap pecans entirely for a marshmallow topping.
  • Nut-free: Use rolled oats or a simple oat-brown sugar crumble rather than nuts.
  • Bourbon: Stir 1/3 to 1/2 cup bourbon into the sweet potato mixture for a warm, boozy depth (optional).
  • Roasted potatoes: Roast the sweet potato cubes for a richer, caramelized flavor before mashing.

Helpful tips

  • Remove excess water: Drain well and, if needed, press potatoes in a fine mesh strainer or wrap in a clean towel to absorb extra moisture—this prevents a runny casserole.
  • Watch baking time: Oven temperatures and dish sizes vary; check the casserole toward the end of baking to avoid overbrowning.
  • Cool before mixing: Let the potatoes cool enough so the egg remains raw when mixed in; this keeps the filling smooth and stable.

Common questions

Which is the best sweet potato to use?

Orange-fleshed sweet potatoes are ideal for this casserole because they hold moisture well and mash to a smooth texture. Varieties like Garnet, Jewel or Beauregard work nicely.

Why does a sweet potato casserole need eggs?

Eggs help bind the filling and give it a slightly firmer texture so it slices and holds together without becoming dense.

Why is my sweet potato casserole soupy?

Excess liquid from overcooked potatoes or insufficient draining is the most common cause. Removing extra water before mixing and avoiding overcooking will prevent a watery result.

Serving suggestions

Pair sweet potato crunch with roast poultry, pork or a savory main and complement it with classic sides like green beans, roasted root vegetables, or a simple salad. Its sweet-savory profile makes it easy to match with many holiday menus.

A close up of a serving spoon in a dish of sweet potato crunch casserole.

More holiday recipes

If you enjoyed this dish, consider adding other festive appetizers or mains to your spread to round out the meal.

  • Holiday charcuterie and finger foods
  • Stuffed mushrooms, bacon-wrapped dates, or mini quiches as appetizers
  • Roasts and glazed vegetables to complete the menu

If you make this recipe, please leave a rating or comment and share any changes you tried. Your feedback helps others and is greatly appreciated. Thank you for visiting!

Recipe

A serving spoonful of sweet potato crunch being taken from a casserole dish.

Sweet Potato Crunch

A classic casserole of creamy sweet potatoes topped with a crunchy candied pecan crumble. Serves 6.
Prep Time: 10 minutes
Cook Time: 50 minutes
Total Time: 1 hour
Servings: 6
Calories: 462kcal
Author: Colleen Milne

Equipment

  • Vegetable peeler
  • Colander
  • Potato masher
  • Electric mixer
  • 9-inch casserole dish

Ingredients

Filling

  • 3 medium sweet potatoes (about 4 cups), peeled and cubed
  • 1/4 cup cream (heavy cream or half-and-half)
  • 1/4 cup butter, softened
  • 1 large egg, whisked
  • 1 teaspoon pumpkin pie spice
  • 1 teaspoon salt

Topping

  • 1 cup pecans, chopped
  • 1/2 cup packed brown sugar
  • 1/4 cup butter, softened

Instructions

  • Boil the sweet potatoes in salted water until tender, about 20 minutes.
  • Preheat the oven to 350°F and grease a 9-inch casserole dish with butter.
  • Drain and cool the sweet potatoes, or run them under cold water to stop cooking.
  • In a large bowl, combine sweet potatoes, egg, cream, butter, salt and pumpkin pie spice. Mash with a potato masher or fork.
  • Beat on medium speed until smooth and creamy.
  • Spread the mixture evenly in the prepared casserole dish.
  • In a medium bowl, combine pecans, brown sugar and butter until crumbly.
  • Spread the pecan mixture over the sweet potato layer.
  • Bake for 30 minutes. Let cool 10 minutes before serving.

Notes

  • Store leftovers in the fridge for 3–4 days, covered.
  • Freeze wrapped or in airtight containers for up to 3 months; portioning before freezing makes reheating easier.
  • To reheat from frozen, thaw in the fridge overnight then warm covered in a 325°F oven until heated through, about 10–15 minutes.

Nutrition

Serving: 1 serving | Calories: 462 kcal | Carbohydrates: 44 g | Protein: 5 g | Fat: 32 g | Saturated Fat: 13 g | Sugar: 24 g | Fiber: 5 g | Sodium: 590 mg | Vitamin A: 16700 IU