Sweet Potato Casserole with Pecan Topping has delicious mashed sweet potatoes with a buttery, brown sugar pecan topping. This gluten-free sweet potato casserole is a FAVORITE Thanksgiving side dish every year.

Complete your Thanksgiving feast with these Gluten-Free Dinner Rolls and a Gluten-Free Pumpkin Roll for dessert!

gluten-free sweet potato casserole being scooped out of baking dish

Sweet Potato Casserole with Pecan Topping

Sweet potato casserole is my all-time favorite Thanksgiving side. This sweet potato casserole with pecan topping is a long-time, favorite family recipe. My Mom would make it for Thanksgiving every year and she’s given out the recipe countless times.

Over the past few years I’ve been making it with gluten-free 1:1 baking flour. However, nobody can EVER tell this sweet potato casserole is gluten-free!

You also might like these AMAZING recipes for gluten-free gravy, gluten-free green bean casserole and gluten-free scalloped potatoes.

Check out this full collection of gluten-free thanksgiving recipes!

The sweet potato filling is smooth and creamy while the topping is crunchy, buttery and laced with brown sugar. It’s hard for anyone to resist this sweet potato casserole! It’s also so easy to make gluten-free (and dairy-free if needed).

step by step photos of how to make sweet potato casserole

How to Make Gluten-Free Sweet Potato Casserole

These how-to numbered pictures match up with the instructions below. 

1. Steam the sweet potatoes. You can do this in the instant pot or on the stove top.

2. Peel the steamed sweet potatoes and add the filling ingredients.

3. Whip the filling until smooth and creamy with a hand mixer.

4. Measure out the ingredients for the pecan praline topping.

5. Mash together the ingredients for the topping until you have pea-sized chunks of butter.

6. Spread the filling into the pan.

7. Top with the pecan topping.

8. Bake until golden, bubbly and delicious!

You also might like this post on how to bake sweet potatoes!

scooping gluten-free sweet potato casserole from baking dish into bowl

What is the best way to steam sweet potatoes for sweet potato casserole?

How you steam the sweet potatoes is an important step to ensure your filling comes out smooth, but not watery. Lately, my favorite way to steam the sweet potatoes is in the instant pot. It’s so easy to do and the sweet potatoes come out perfect every time.

Cooking Sweet Potatoes in the Instant Pot

  • Place a rack in the instant pot and add 1 cup of water.
  • Place the washed sweet potatoes on the rack and cook on MANUAL (high pressure) for 15 minutes.
  • Allow the sweet potatoes to natural release until the valve drops on its own.
  • The sweet potatoes will be soft and easy to peel!

If you don’t have an instant pot you can also steam the potatoes on the stovetop. You do this by adding the sweet potatoes (whole and unpeeled) to a large pot and covering with water. Cover with a lid and boil for 10 minutes. Puncture the sweet potatoes 3 times, then boil for another 20-30 minutes until cooked through.

Can I make this sweet potato casserole in advance?

This sweet potato casserole is a great make-ahead dish. I’m always looking for recipes I can make in advance before Thanksgiving. This one turns out great!

Up to 3 days in advance you can prepare the sweet potato filling and smooth it into a baking dish. Then prepare the topping and store it in an airtight container. Store everything in the refrigerator. When ready to bake, top the sweet potatoes with the pecan mixture and bake as directed.

sweet potato casserole on white serving dish

I hope you enjoy this sweet potato casserole as much as we do! It’s a long-time family favorite and nobody will be able to guess it’s gluten-free. (PS I think it tastes delicious straight out the fridge next day!)

If you love this recipe be sure to leave me a comment below. I’d love to hear how it turned out for your holiday meal!

More Thanksgiving Side Dishes:

Gluten-Free Stuffing everyone needs to eat stuffing on Thanksgiving!

Christmas Cranberry Fluff  not just for Christmas. My 2nd favorite Thanksgiving side.

Holiday Fruit Salad another delicious fruit salad option. 

Gluten-Free Green Bean Casserole wouldn’t be Thanksgiving without it!

Kale Salad with Cranberries  festive and tasty. 

sweet potato casserole being scooped from white casserole dish with red and orange napkin
5 from 36 votes

Sweet Potato Casserole with Pecan Topping {Gluten-Free}

Prep Time 30 mins
Cook Time 30 mins
Total Time 1 hr
Servings 8 -servings
Sweet Potato Casserole with Pecan Topping has delicious mashed sweet potatoes with a buttery, brown sugar pecan topping. This gluten-free sweet potato casserole is a FAVORITE Thanksgiving side dish every year.

Ingredients

For the Filling:

  • 3-4 large sweet potatoes
  • 1/2 cup coconut milk or whole milk
  • 1/3-1/2 cup sugar or maple syrup
  • 1/4 cup melted butter or coconut oil
  • 1 teaspoon vanilla
  • 1 teaspoon cinnamon
  • 1/2 teaspoon nutmeg
  • 1/2 teaspoon fine salt
  • 1 egg

For the Topping:

  • 1 1/4 cup chopped pecans
  • 1/2 cup gluten-free 1:1 baking flour
  • 1/2 cup light brown sugar
  • 1/2 teaspoon salt
  • 1/2 teaspoon vanilla
  • 1/4 cup softened butter or coconut oil in solid form

Instructions 

STEAM THE SWEET POTATOES

  • In the INSTANT POT (preferred method): Place a rack in the instant pot and add 1 cup of water. Place the washed sweet potatoes on top of the rack. Cook on MANUAL (high pressure) for 15 minutes. Allow the sweet potatoes to natural release, until the valve drops on its own.
  • On the STOVE TOP: Place the sweet potatoes (whole and unpeeled) in a large pot and covering with water. Cover with a lid and bring to a boil. Boil for 10 minutes. then puncture each sweet potatoes 3 times. Boil for another 20-30 minutes until cooked through. 
  • Meanwhile, preheat the oven to 350 F. Grease a 9x13 casserole dish. In a bowl, combine the pecans, flour, sugar, salt, and vanilla. Cut in the butter with a pastry cutter or mix with your hands until the mixture is sandy, with pea-sized chunks of butter. Set aside.
  • Peel the sweet potatoes and add them to a bowl with with the other filling ingredients. Use a hand mixer to whip the sweet potatoes until smooth. Taste and add more salt, sugar or milk as needed. (You may need to adjust the consistency/flavor based on how big your sweet potatoes are.) Whip the sweet potatoes until they are creamy and completely smooth.
  • Smooth the sweet potato filling into the prepared dish. Top with the pecan mixture. Bake for 25-30 minutes, until the top is golden and the sweet potatoes are bubbling. Let cool 10 minutes before serving. Enjoy!

Notes

How you steam the sweet potatoes is an important step to ensure your filling comes out smooth, but not watery. Lately, my favorite way to steam the sweet potatoes is in the instant pot. It's so easy to do and the sweet potatoes come out perfect every time.
Just be sure to NOT cut the sweet potatoes into small pieces to steam them. The will absorb too much water and make the filling wet/watery.
MAKE IT AHEAD: Prepare the sweet potato filling and smooth it into the baking dish. Prepare the topping in a separate container. Store everything in the refrigerator for up to 3 days. When ready to bake, top the sweet potatoes with the pecan mixture and bake as directed.
MAKE IT DAIRY-FREE: Use Earth Balance buttery sticks or coconut oil in place of the butter. 
MAKE IT EGG-FREE: You can easily omit the egg from the filling to make this egg-free. 

Nutrition

Calories: 438kcal | Carbohydrates: 41g | Protein: 4g | Fat: 30g | Saturated Fat: 16g | Cholesterol: 20mg | Sodium: 332mg | Potassium: 331mg | Fiber: 3g | Sugar: 24g | Vitamin A: 6955IU | Vitamin C: 1.6mg | Calcium: 67mg | Iron: 1.8mg
Sweet Potato Casserole with Pecan Praline Topping! The favorite Thanksgiving side dish every year. A gluten-free, dairy-free holiday side everyone will love!

Categories: , , , , , , , ,

Hi, I’m Erin!

BS Food Science,

MS Nutrition

I believe you can make amazing, gluten-free food with everyday ingredients that everyone will enjoy. I’m here to share my tried-and-true recipes with you!

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Comments

  1. Hi. I am making this tomorrow for Easter & only have a 2 qt sized glass dish. Do I need to adjust the baking time? My friend made this months ago & I loved it so I can’t wait to eat it again! Thanks.

  2. Thanks for the recipe! I use almond milk…. To make it MUCH easier you can boil the sweet potatoes WHOLE, let them cool (or to make it faster, dump out the hot water and put cold water with ice to cool faster). Drain the potatoes, or be very gentle if you can’t wait. The peeling will tear off easily. I do this with white potatoes also.

  3. While this dish is very flavourful, mine was soupy—that is, the sweet potato part. It wasn’t at all like the photos here. That’s how I would like it to be, but it was extremely soupy. I don’t know what I would’ve done wrong. I went completely non-dairy, so used coconut oil solid form (the only way I can find it anyway in the stores). Can someone advise?

  4. 5 stars
    Loved, loved, loved this! It was absolutely delicious! We used walnuts (the store was out of pecans). This will be a favorite for many years!

    1. The consistency can depend on how watery your sweet potatoes are when they are mashed. I make sure to leave my sweet potatoes in larger chunks (3-4 inches) when steaming them so they don’t get too watery. Smaller chunks absorb more water and create a more watery mash. You can always add more sweet potatoes or less coconut milk to the consistency you like too. The mash won’t thicken much in the oven!

  5. 5 stars
    This is my very first sweet potato casserole and it was a hit! I am allergic to gluten so most store bought Thanksgiving sides are out of the picture. I prepared this as a trial several days prior to Thanksgiving to see how it comes out. It was delicious!!! My 4 y.o. twins loved it, one of them even asked for seconds! Thank you! Fantastic recipe!

  6. I loved this dish! But I really hoped the mash bit would be more like ‘mash’, thicker and less liquidy. Could be because I used coconut oil… any advice would be much appreciated!!!

    1. It probably has to do with how you steamed your potatoes and how much water the sweet potatoes naturally contained. When I’ve used smaller sweet potatoes and steamed then they have more water. I would try using large sweet potatoes and just add less coconut milk so you get the consistency you like. I hope that helps!

  7. We love the praline topping of the unmodified recipe. I keep hoping to find a gluten free that replicates the same crunchiness. I made this version anticipating that it would be just what I was looking for. While it was good, I am looking for perfect. 🙂 Wondering if results are better with coconut oil than butter? Or one flour better than another? The topping was drier than normal so it didnt melt and crystalize.

  8. Hi there!

    Could I use a butter substitute made from coconut oil in this recipe instead of the butter? If so would I measure it out the same?

    1. Hi Lynsie! Have you tried my grain-free flour blend? It would work perfectly here. That would be best, but you could try half almond flour and half starch (like arrowroot or potato) for the flour as well.

  9. Would have any tips on how to make this in the crock pot??? I don’t think my oven is big enough for this and a turkey lol

    1. I think this might work in the slow-cooker, but the topping won’t get as crispy. You could spread the filling on the bottom, then top it with the pecan topping. I would try cooking it on low for 4 hours. I hope this helps! Let me know if it works out.

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