Trisha Yearwood Sweet Potato Casserole

Posted on October 13, 2026

When a knife slides into the center of a sweet potato with almost no resistance, it’s ready to become the soft, buttery base of this casserole. The potatoes bake whole, so there’s no peeling them raw or watching a pot on the stove. I like that this Trisha Yearwood Sweet Potato Casserole pairs that tender filling with a pecan topping that turns golden in the oven.

The topping is a simple brown sugar and flour crumble, but the butter needs to be softened so it works into coarse crumbs instead of disappearing into a paste. I keep the casserole and topping in separate bowls until it’s time to assemble; that makes the layers easy to spread evenly. After baking, the filling is tender and the top has a little crunch in every serving.

Trisha Yearwood Sweet Potato Casserole golden pecan topping

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Kitchen Note

Pack the brown sugar firmly into the measuring cup before leveling it. That packed measure gives the pecan topping enough moisture to clump into crumbs instead of scattering as dry sugar and flour.

Save Trisha Yearwood Sweet Potato Casserole for its tender filling and golden pecan crumble—the topping makes each serving a little crisp and sweet.

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Why Baking the Sweet Potatoes Whole Keeps the Filling from Turning Watery

There’s a reason I bake the potatoes whole instead of peeling and boiling them. Sweet potatoes soften as they cook, and boiling can leave extra water clinging to the flesh. That moisture goes straight into the mash, where it can leave the finished casserole loose and difficult to serve neatly.

With the skins left on during baking, the potatoes soften without sitting in cooking water. Once they’re cool enough to handle, the skins peel away and the centers mash into a concentrated base. There’s no need to drain or reduce the potatoes afterward, and no extra water gets stirred into the casserole.

The difference is easy to miss before baking and noticeable on the plate: the sweet potato layer stays tender but holds its shape beside the pecan topping. Fully tender potatoes give the casserole a head start, so the oven can bake the filling rather than trying to cook off excess moisture.

What Each Ingredient Adds to the Sweet Potato and Pecan Layers

Trisha Yearwood Sweet Potato Casserole creamy sweet potato filling

Sweet potatoes — Choose firm potatoes without soft spots. Similar-sized potatoes tend to finish baking at about the same time, which makes it easier to mash the batch evenly. Fresh potatoes give you control over the moisture and sweetness of the filling.
Eggs — The eggs help the mashed filling hold together after it bakes. Large eggs are the right size for this balance; there’s no need to buy a specialty variety.
Whole milk and unsalted butter — These make the filling creamy and rich without masking the potato flavor. Standard grocery-store butter works well. If whole milk isn’t available, use 2% milk in the same amount; the casserole will be a little less rich.
Granulated sugar and vanilla — Granulated sugar sweetens the potato layer, while vanilla rounds out its flavor. Regular vanilla extract is plenty; an expensive bottle won’t change the baked texture.
Brown sugar, flour, and pecans — Brown sugar adds a mellow sweetness to the top, flour helps the butter form crumbs, and pecans bring crunch. Fresh-tasting pecans matter more than a premium label because stale nuts can taste flat or bitter.

From Baked Potatoes to a Golden Pecan Crumble

Bake the Potatoes Until the Centers Are Soft

Heat the oven to 350°F and prick the sweet potatoes with a fork. Set them on a rimmed baking sheet and bake for 60 to 75 minutes, until a knife slides easily into the centers. Start checking at the early end of the range; a potato that still feels firm in the middle will leave lumps in the filling.

Mash and Season the Sweet Potato Base

Let the potatoes cool until they’re easy to handle, then peel them and mash the flesh in a large bowl. Stir in the granulated sugar, eggs, vanilla, salt, milk, and the first portion of softened butter until well combined. A few small soft lumps are fine, but stop when the mixture looks evenly blended rather than beating it until it’s airy.

Work the Butter into the Pecan Topping

Stir the brown sugar and flour together in a medium bowl before adding the remaining softened butter. Work the butter through with your fingers or a fork until the mixture forms coarse crumbs; if you still see dry flour, keep working it in. Stir in the chopped pecans last so they stay distributed through the crumble instead of getting crushed.

Bake Until the Top Is Golden and the Center Is Set

Coat a 9×13-inch baking dish with nonstick cooking spray and spread the sweet potato mixture evenly into it. Sprinkle the topping over the surface and bake at 350°F for 30 to 35 minutes, until the topping is golden and the center reaches 160°F. Let the casserole rest for 10 minutes before serving so the filling has time to settle.

Three Swaps That Change the Topping or Fit a Different Diet

Use Walnuts Instead of Pecans

Replace the chopped pecans with the same amount of chopped walnuts. They give the topping a slightly earthier, less buttery nut flavor, while keeping the same crunchy contrast with the soft filling.

Make the Crumble Gluten-Free

Use a measure-for-measure gluten-free all-purpose flour blend in place of the all-purpose flour. The topping may be a little more delicate, but it will still form crumbs around the pecans. Check that the blend is intended as a direct baking substitute.

Make It Dairy-Free

Use unsweetened plain oat milk in place of the whole milk and stick-style dairy-free butter in place of the butter, measuring each replacement equally. Stick-style butter works better for the crumb topping than soft tub spread. The filling will taste a little less buttery, but the layers will still bake together.

Storage and Reheating

Refrigerator: Cover leftovers and refrigerate for 3 to 4 days. The pecan topping softens as it sits.
Freezer: Cool the casserole, wrap it tightly, and freeze for up to 2 months for the best quality. Thaw it overnight in the refrigerator; the topping won’t be quite as crisp as it is fresh.
Reheating: Cover the casserole with foil and warm it in a 325°F oven until the center reaches 165°F. Keeping it covered helps the edges stay moist; reheating uncovered for too long can dry them out.

Questions That Come Up While Making Sweet Potato Casserole

Can I use canned sweet potatoes instead of fresh?+

Fresh sweet potatoes are a better fit here. Canned sweet potatoes are already cooked and may be packed with syrup or liquid, so the filling can turn out sweeter or softer than intended. Baking fresh potatoes gives you more control over both.

Can I make the casserole ahead of time?+

Yes. Spread the filling in the baking dish, cover it, and refrigerate it; keep the topping covered in a separate container and add it just before baking. Because the filling starts cold, expect the bake to take longer than the usual 30 to 35 minutes.

Can I use a hand mixer to mash and combine the filling?+

Yes, but keep it on low and stop as soon as the ingredients are combined. Long, fast beating can make the mashed potatoes gummy, while a masher or sturdy spoon gives you more control over the texture.

Can I make this casserole without eggs?+

There isn’t a direct egg-free swap that gives this filling the same cohesive texture. Flax or applesauce adds moisture but won’t set the mashed sweet potatoes in the same way, so I wouldn’t use either as a replacement in this casserole.

Can I use salted butter instead of unsalted?+

You can, but the casserole will be saltier because the filling also includes added salt. For a closer match, use unsalted butter; if salted butter is what you have, leave out the salt in the filling.