Last Updated on June 1, 2025 by Nico
Toasted walnuts are combined with melted butter and layered on top of mashed sweet potatoes to create a warm and comforting side dish.
As leaves begin to fall and the days become shorter, sweet potato casserole with walnuts is exactly what I begin to crave. It’s a simple and warm side dish that goes well alongside brie mashed potatoes or vanilla spice eggnog.
Sweet potatoes are already sweet so this recipe uses only a bit of maple sugar and a few other simple ingredients. I hope you enjoy it!
PS – if you want a quick and simple treat, you can make only the roasted walnut topping. The toasty, sugary nuts make a delicious snack.
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FAQ
This will last about a week in an airtight container in the fridge or 3 months in the freezer.
You can prepare this recipe ahead of time by creating the recipe a few days in advance and storing it in the fridge. Reheat by adding it to the oven for 15-20 minutes covered.
You can also create the sweet potato base and walnut topping in advance and storing them separately in the fridge. Then combine the two and bake on the day you would like to serve it.
Ingredients
Sweet Potatoes
Maple Syrup
Eggs
Vanilla
Cinnamon
Salt
Heavy Cream
Topping
Coconut Sugar
Butter
Flour
Walnuts – chopped
For complete measurements, see the printable recipe card below.
Instructions
Roast the sweet potatoes in the oven. I do this by adding unpeeled sweet potatoes straight onto the oven rack and baking them at 350/180 for 45 minutes.
Allow the roasted sweet potatoes to cool, and then peel and mash them with a fork.
Add the maple syrup, eggs, vanilla, cinnamon, salt, and heavy cream to the sweet potatoes and mix until combined.
Add the sweet potato mixture to a baking dish.
Use a knife to chop the walnuts. Add the chopped walnuts to a bowl and add to them the melted butter, coconut sugar, and flour. Mix until well-combined.
Spread the walnut topping across the sweet potatoes.
Add to the oven and bake for 30-40 minutes.
Other Simple Holiday Ideas
Simple & Nourishing Cacao Nib Tea
Immune Boosting Hot Chocolate With Cacao
Simple Sourdough Pumpkin Cinnamon Rolls
Simple Vanilla Spice Eggnog For The Holidays
Sourdough Sugar Cookies Recipe
Healthy No-Churn Fig And Walnut Ice Cream (Sugar Free)
Simple Cinnamon Whipped Cream Recipe
If you make this recipe and enjoy it, please consider giving it 5 stars. Find me on Instagram @documentingsimpleliving and show me what you’ve made!
Comforting Sweet Potato Casserole With Walnuts
Ingredients
Method
- Roast the sweet potatoes in the oven. I do this by adding unpeeled sweet potatoes straight onto the oven rack and baking them at 350/180 for 45 minutes.
- Allow the roasted sweet potatoes to cool, and then peel and mash them with a fork.
- Add the maple syrup, eggs, vanilla, cinnamon, salt, and heavy cream to the sweet potatoes and mix until combined.
- Add the sweet potato mixture to a baking dish.
- Use a knife to chop the walnuts. Add the chopped walnuts to a bowl and add to them the melted butter, coconut sugar, and flour. Mix until well-combined.
- Spread the walnut topping across the sweet potatoes.
- Add to the oven and bake for 30-40 minutes.
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