Our Sweet Potato Casserole with a pecan streusel topping is the ultimate holiday side dish. This classic recipe boasts a fluffy and satisfying sweet potato layer crowned with a streusel topping that is irresistibly crunchy and buttery. It’s incredibly easy to prepare, making it a family favorite that’s bound to secure a permanent spot at your family’s table.
This is undeniably the best sweet potato casserole recipe I’ve ever encountered, and it consistently graces our Thanksgiving menu alongside our Juicy Roast Turkey, unforgettable Turkey Gravy, Green Bean Casserole, and Pumpkin Pie. In fact, we adore it so much that it makes appearances at Christmas, Easter, and sometimes during family meals throughout the year.
The Best Sweet Potato Casserole
We are serious sweet potato enthusiasts, and we just can’t seem to get enough. This sweet potato bake is my sister Tanya’s creation, and it’s the dish she brings to the Thanksgiving table every year.
There’s nothing quite as comforting as the sweet aromas, luxurious texture, and the crispy, nutty topping of this casserole. It’s sweet enough to be a dessert but not overly sweet to stand alongside a Prime Rib Roast during Christmas.
Here’s why you’ll fall in love with it this holiday season—and all year round:
- Simple and easy to make
- Can be prepared in advance and is freezer-friendly
- Adaptable for large or small parties
- A crowd-pleaser that serves as both a side dish and dessert
- Can be made vegan and gluten-free
- Customizable topping, including the option to add marshmallows
Ingredients
Our sweet potato casserole recipe combines the finest fall ingredients to create the ultimate comfort dish.
- Sweet Potatoes – You’ll need 4 lbs or 4 large potatoes, which will yield about 6 cups once mashed. Opt for firm potatoes with dark, blemish-free, and evenly colored skin.
- Egg, Sugar, Butter, and Vanilla – These ingredients give the potato layer an incredible texture, flavor, and airiness. It puffs up like a soufflé. See below for vegan substitutes.
- Dried Cranberries – While optional, Craisins provide a touch of tang to balance the richness and sweetness of the mixture.
- Brown Sugar – Use light brown sugar for a milder flavor and dark brown sugar for a deeper caramel sweetness.
- Flour – All-purpose flour works well, or use your preferred gluten-free flour substitute for a gluten-free sweet potato casserole.
- Butter – It binds the streusel topping and offsets the sweetness. Substitute with vegan butter for a dairy-free version of the casserole.
- Pecans – They add delightful crunch; you can replace them with walnuts or omit them to accommodate allergies. Coarsely chop or leave them whole.
Pro Tip
While fresh sweet potatoes yield the best results in this recipe, you can use canned yams. You’ll need 3 large 29 oz cans, but be sure to drain them well and reduce the butter in the filling to 3 tablespoons to compensate for the added moisture.
Substitutions
Experiment with these simple swaps to customize the casserole:
- Vegan Sweet Potato Casserole: Replace the eggs with 3/4 cup of applesauce or omit them (though it won’t be as airy). Also, replace the butter with your preferred butter substitute.
- Sweet Potato Casserole with Marshmallows: Either cover the streusel topping with mini marshmallows or substitute mini marshmallows for the streusel topping.
- Adjust the white sugar to your taste. For instance, reduce the sugar to 1/4 cup for a less sweet filling or replace it with your favorite sugar substitute.
- Add a splash of maple syrup to the filling for a hint of maple flavor.
- Modify the texture: Leave the sweet potatoes in chunks for a dish reminiscent of Southern candied yams, or whip the potatoes in a stand mixer for a lighter potato layer.
How to Make Sweet Potato Casserole
In just a few simple steps, you can create this irresistible sweet potato casserole recipe.
Make the Sweet Potato Filling
- Peel and chop the sweet potatoes into 1″ chunks. Boil them in water for 10-15 minutes until they are fork-tender. Mash them with a potato masher or use an electric hand mixer for an extra creamy texture.
- Preheat the oven to 350°F. In a bowl, whisk together 3 eggs and 1/2 cup sugar. Stir in 6 tablespoons of melted butter and 1/2 tablespoon of vanilla. Combine the butter mixture with the sweet potatoes, then fold in 1 cup of Craisins and spread the mixture into a 9×13 casserole dish.
How to Make the Streusel Topping
This pecan topping for the sweet potato casserole is incredibly easy to prepare and offers a delightful crunch:
- Combine 2/3 cup brown sugar and 1/3 cup flour. Add 3 tablespoons of diced cold butter and rub it into the sugar mixture using your fingertips until pea-sized crumbs form. Stir in the pecans. You can use a pastry blender to keep your hands clean.
- Sprinkle the mixture evenly over the sweet potato mixture and bake, uncovered, at 350°F for 35-40 minutes or until it’s hot and the sweet potatoes start to puff at the edges.
