Toss raw cubed sweet potatoes in the roasting pan with 3 easy additions to get a brunch side so delicious your friends will be begging for the secret!

This 4-ingredient oven baked sweet potato brunch bake is the kind of dish you toss together in one pan and then proudly slide onto the table like you worked all morning. Raw sweet potato cubes get tossed right in the roasting pan with just three simple additions that turn into a thick, crumbly, almost mysterious coating as they bake. It’s cozy, budget-friendly, and perfect for weekend brunches, potlucks, or holiday mornings when you want something that tastes special without a lot of fuss.

Serve this sweet potato brunch bake warm right out of the oven, scooped into bowls or onto plates. It pairs beautifully with scrambled or fried eggs, breakfast sausages, bacon, or a simple veggie frittata. A crisp green salad with a tangy vinaigrette helps balance the sweetness, and a bowl of fresh berries or fruit salad makes the whole spread feel brunch-worthy. If you’re hosting friends, set the pan in the middle of the table and let everyone help themselves family-style.

Servings: 4–6

2 pounds raw sweet potatoes, peeled and cut into 1/2-inch cubes

Preheat your oven to 400°F (200°C). Lightly grease a 9x13-inch oven-safe roasting pan or baking dish with a bit of butter or nonstick spray so the sweet potatoes don’t stick.

Peel the sweet potatoes and cut them into roughly 1/2-inch cubes so they cook evenly. Add all the raw sweet potato cubes directly into the prepared roasting pan, spreading them into an even layer.

In a medium bowl, whisk together the melted salted butter and brown sugar until the sugar is moistened and the mixture looks thick and glossy. Stir in the rolled oats until everything is evenly combined and you have a thick, crumbly mixture.

Sprinkle the oat-butter-brown sugar mixture evenly over the top of the raw sweet potatoes in the pan. Use your fingers or a spoon to spread and lightly press it so most of the sweet potatoes are topped with some of the thick, crumbly coating. It’s okay if a few spots peek through.

Cover the pan tightly with foil and bake for 25 minutes to help the raw sweet potatoes steam and start to soften under the coating.

After 25 minutes, carefully remove the foil (watch for steam). Gently stir the sweet potatoes once from the bottom of the pan, trying to keep as much of the crumbly topping on top as you can. Spread everything back into an even layer.

Return the pan to the oven, uncovered, and bake for another 20–25 minutes, stirring once more halfway through, until the sweet potatoes are fork-tender and the crumbly topping is golden and slightly crisp around the edges.

Let the brunch bake rest for about 5 minutes before serving so the coating can set a bit. Serve warm, scooping down through the crumbly top to get plenty of coated sweet potatoes in each serving.

For a less sweet version, cut the brown sugar back to 1/4 cup and add a pinch of salt and 1/2 teaspoon ground cinnamon to the oat mixture for a cozy, spiced flavor. For extra crunch, stir 1/4 cup chopped pecans or walnuts into the oat mixture before sprinkling it over the sweet potatoes. If you’re cooking for little ones who prefer things very simple, you can skip the oats and just toss the raw sweet potato cubes with the melted butter and brown sugar in the pan, then bake as directed; the coating will be more saucy than crumbly but still delicious. To make it dairy-free, use a plant-based butter substitute with similar fat content and a pinch of extra salt if your substitute is unsalted. If you only have unsalted butter, add 1/4 teaspoon salt to the butter and brown sugar mixture. For meal prep, you can peel and cube the sweet potatoes up to a day ahead; store them in the fridge in a container of cold water and drain and pat dry before baking so they roast instead of steaming. Food safety tips: Always wash and peel sweet potatoes with clean hands and a clean cutting board and knife. Refrigerate leftovers within 2 hours of baking in a shallow container, and reheat thoroughly in the oven or microwave until steaming hot before serving again. Discard any leftovers that have been left at room temperature for more than 2 hours.