Easy Healthy 5 Ingredient Sweet Potato Casserole no Marshmallows
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This 5-ingredient sweet potato casserole is a simple, side dish that fits right in on any holiday table. It is creamy, lightly sweet, and topped with crunchy pecans instead of marshmallows. If you want a sweet potato casserole without marshmallows that still tastes rich and special, this one is for you.
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Updated November 2025 – Rewritten for clarity with new tips.
Recipe at a Glance
What You Will Need and How to Make Healthy 5 Ingredient Sweet Potato Casserole
Ingredients
- Sweet potatoes
- Unsalted butter
- Pumpkin pie spice (or ground cinnamon)
- Maple syrup, honey, or brown sugar
- Raw pecans or walnuts, chopped
Salt is optional but helps balance the sweetness.
Missing an ingredient? Find a substitute with the ingredient swap assistant!
Step-By-Step Instructions
- Prepare the ingredients: Rinse, peel, and cut the sweet potatoes into large chunks that are similar in size. Chop the pecans and preheat the oven to 375°F.
- Cook the sweet potatoes: Place the sweet potato chunks into a medium or large pot and cover them with water. Cover and cook until the potatoes become fork-tender. This will take about 15 to 20 minutes, depending on the size of the sweet potato pieces.
- Drain and mash: Drain the sweet potatoes, reserving up to ½ cup of the cooking liquid to thin the mash if needed. Add the butter, maple syrup (or your preferred sweetener), and pumpkin spice. Mash everything together right in the pot or transfer it to a bowl. I usually keep it in the pot, why wash another dish?
- Transfer and bake: Lightly butter the bottom and sides of an 11-inch casserole dish. Spread the mashed sweet potatoes evenly in the dish. Sprinkle chopped pecans over the top of the sweet potatoes and at 375°F until the casserole is hot and the nuts are lightly toasted, about 20 to 25 minutes. The top should look set, and the edges should start to bubble. Let it rest for a few minutes before serving.
Tips
- Cut the sweet potatoes into similar sized chunks so they cook evenly.
- For ultra smooth sweet potatoes, use a hand mixer or food processor instead of a masher.
- Toast the pecans in a dry skillet or on a baking sheet for a few minutes before topping the casserole, if you want extra crunch and flavor.
- Use some of the reserved cooking water while mashing to adjust the thickness. Add a splash at a time so the mixture does not get too thin.
- Taste the mash before baking and adjust with more spice, syrup, or a pinch of salt if needed.
Make-Ahead Tips
This sweet potato casserole is great for prepping ahead, especially around the holidays.
- Prepare the casserole through the mashing step and spread it into the buttered baking dish.
- Cover and refrigerate for 1 to 2 days.
- Wait to add the chopped pecans until just before baking so they stay crunchy.
- About 30 minutes before baking, take the dish out of the fridge so it can come closer to room temperature.
- Top with pecans, then bake as directed until heated through.
This makes hosting a lot easier, since the messy parts are done ahead of time.
Can I make the whole sweet potato casserole ahead including baking it, and reheat ?
Yes, you can make the entire dish, including baking it, a day ahead. When ready to serve, cover and reheat at 350°F until warmed through. For crunchier pecans, bake the casserole without them and toast separately, then add just before serving.
What to Serve With Sweet Potato Casserole
This easy sweet potato casserole without marshmallows fits right in with a big holiday meal, but it also works with simple weeknight dinners. It pairs well with:
- Roast or grilled turkey or chicken
- Slow-roasted pork with apples
- Pork tenderloin
- Grilled or baked chicken
Easy Variations
You can keep this a sweet potato casserole no marshmallows and still have fun with the flavors. Try one of these ideas:
- Boozy twist: Add about 1 tablespoon of rum or bourbon to the sweet potato mixture before mashing.
- Citrus flavor: Stir in a few tablespoons of fresh orange juice for a bright, fruity note.
- Dairy-free or vegan: Swap the butter for vegan butter or coconut oil.
- Spicy-sweet: Add a pinch of cayenne to the mash and top with sweet and spicy pecans for a little kick.
- With marshmallows: If you want a classic version, you can skip the nuts and use mini marshmallows on top instead. It will still have less sugar than many traditional recipes.
How to Store Leftovers
Let the sweet potato casserole cool to room temperature first.
- Store leftover casserole in an airtight container in the refrigerator.
- It will keep for about 4 to 5 days.
- Reheat in the oven until warm, or microwave individual portions.
If reheating in the oven, cover lightly with foil if the nuts start to brown too much.
Recommended equipment
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Buy Now → Frequently Asked Questions About This Healthy Sweet Potato Casserole
Sweet potato casserole can easily be frozen. For best results: Make the sweet potato mixture and spread it into a baking dish, but do not add the nut topping yet. Next, let the casserole cool to room temperature, wrap it tightly and freeze for up to 3 months. Thaw in the refrigerator overnight.
Add the chopped pecans right before baking, then bake until hot.
You do not have to peel sweet potatoes when roasting or baking them for other dishes. For a sweet potato casserole, it works better if you peel them. The mash will be smoother and the texture more consistent.
You can bake sweet potatoes to make a casserole even though boiling is the quickest way. Boiling will also add moisture to the sweet potatoes which will result in a smooth casserole.
This sweet potato casserole is healthier because it uses less added sugar and skips the marshmallows. The recipe relies on the natural sweetness of sweet potatoes, plus a small amount of maple syrup, honey, or brown sugar. The crunchy topping comes from chopped pecans or walnuts instead of a sugary marshmallow layer, so you still get great texture without a heavy dessert-style topping.
You might like these holiday classic side dish recipes
- Homemade cranberry sauce
- Butternut squash and apples
- Green beans with almonds and lemon
- Instant pot mashed potatoes
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Five Ingredient Sweet Potato Casserole
Ingredients
- 1.5 pound sweet potatoes
- 2 tablespoons unsalted butter
- 1 teaspoon pumpkin pie spice
- 3/4 cup chopped pecans
- 1 tablespoon maple syrup
Instructions
- Prepare the ingredients: rinse, peel and chop the sweet potatoes into large chunks. Chop the pecans and preheat the oven to 375°F.
- Place the sweet potatoes into a medium to large pot and cover them with water. Bring the water to a boil over high heat. Once boiling, lower the heat to medium, cover, and cook until the potatoes are fork tender.This usually takes about 15 to 20 minutes, depending on the size of the pieces.
- Drain the water from the sweet potatoes and reserve up to a half cup of the liquid in the pot. Place the sweet potatoes into a mixing bowl and add the syrup, pumpkin pie spice and butter.
- Mix the ingredients together with a potato masher (for a chunky texture), or hand mixer or food processor for a smooth texture.
- Lightly butter the bottom and sides of a casserole dish. Spread the mashed sweet potato mixture evenly in the dish.
- Sprinkle the chopped pecans over the top of the sweet potatoes. Bake at 375°F until the casserole is hot and the nuts are lightly toasted, about 20 to 25 minutes. The top should look set and the edges may start to bubble. Let it rest for a few minutes before serving.
Notes
Nutrition
Nutrition information provided is an estimate and can vary based on cooking methods and ingredients used
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