When a knife slides through a roasted sweet potato with almost no resistance, you’re at the right starting point for gnocchi. The flesh should mash smooth, with a deep sweetness that works especially well beside browned butter and crisp sage. I like these sweet potato gnocchi in that simple sauce, where each soft dumpling gets a little nutty butter and a shower of Parmesan.
The dough is tender, not stiff, and it rewards a light touch. Work the flour in just until it comes together, then roll and cut the pieces without kneading them like bread. Once the gnocchi hit the salted water, the float tells you they’re close; a short extra cook gives the centers time to finish. On the plate, they’re soft and gently sweet, with sage and Parmesan keeping every bite savory.

Kitchen Note
Cook the gnocchi in batches rather than packing the pot. When they float, give them 30 seconds more before lifting them out; that small window helps the centers finish without leaving the dumplings in the water long enough to turn heavy.
Save these sweet potato gnocchi for a dinner with tender dumplings, nutty brown butter, and crisp sage.
Why Baking the Sweet Potatoes Matters More Than Adding Extra Flour
Sweet potatoes bring plenty of moisture to this dough. Boiling them would add even more water, which makes it harder to get a soft dough that still holds its shape. Baking keeps that added water out of the equation, so the potatoes can become tender without soaking up cooking liquid.
Cooling matters for the same reason. Warm mashed potatoes can make the flour absorb unevenly, and it’s easy to keep adding flour when the dough feels stickier than expected. Let the mash cool completely, then fold in the measured flour just until a soft dough forms. A little tackiness is normal. The goal isn’t a dry, easy-to-knead ball; it’s dough that can be rolled gently on a lightly floured surface. That restraint is what keeps these dumplings tender instead of dense.
What Each Ingredient Contributes to These Sweet Potato Gnocchi

- Sweet potatoes — Choose firm potatoes that feel similar in size so they’re likely to finish baking around the same time. Their natural sweetness and soft, starchy flesh give the gnocchi its character; a watery or sweetened substitute won’t behave the same way. There’s no need to seek out a specialty variety.
- All-purpose flour — This gives the dough enough structure to roll and boil while staying tender. Ordinary all-purpose flour works well here; whole-wheat flour absorbs differently and can make the dumplings heavier. Keep the dough flour and the surface-dusting flour separate, and use the latter to manage stickiness on the counter rather than working extra flour into the dough.
- Egg yolk — The yolk helps bind the potato and flour without adding the extra moisture of a whole egg. Stick with the yolk for this dough; the white changes its balance and can leave it harder to handle.
- Ground nutmeg — A small amount gives the sweet potato a warm, savory edge without making the gnocchi taste spiced. The regular ground kind is fine, and it should be mixed into the cooled potato before the flour goes in.
- Unsalted butter, fresh sage, and Parmesan — Unsalted butter lets the seasoned cooking water provide the main measured salt, while the butter browns into the sauce. Fresh sage is what turns crisp in the pan; dried sage won’t give you those leaves or the same texture. Grated Parmesan finishes the dish with a salty, savory note, so use a cheese you enjoy eating on its own.
From Roasted Potato to Tender Gnocchi, Without Toughening the Dough
Roast the Potatoes Until They’re Completely Tender
Heat the oven to 400°F and prick the sweet potatoes several times with a fork. Set them on a baking sheet and bake for 45 to 60 minutes, until a knife passes through very easily. Give the potatoes about 15 minutes to cool, then split them and scoop the flesh into a large bowl. Mash until smooth; lumps now will carry through into the finished dumplings.
Cool the Mash Before Bringing the Dough Together
Let the mashed sweet potato cool completely, about 20 to 30 minutes. Add the egg yolk, the dough’s teaspoon of kosher salt, and the nutmeg, then mix well. Fold in the flour until a soft dough forms, stopping as soon as it comes together. Overworking it develops a tougher texture, so don’t knead or keep mixing to make the dough look perfectly smooth.
Roll and Cut Pieces at an Even Size
Lightly dust your work surface with the remaining flour and divide the dough into four pieces. Roll each piece into a rope about 3/4 inch thick, then cut it into 3/4-inch pieces. Roll each piece over the tines of a fork to make ridges, using a gentle touch so you don’t flatten the dumpling. Keeping the pieces close in size helps them cook at the same pace.
Boil in Batches and Watch for the Float
Bring the water and the remaining tablespoon of kosher salt to a boil in a 6-quart pot. Add gnocchi in batches so the pot doesn’t get crowded, then wait for them to float and cook for 30 seconds more. Lift them out with a slotted spoon onto a serving platter. A crowded pot makes it harder to see when the pieces rise and can interrupt the steady boil.
Brown the Butter While the Sage Turns Crisp
Melt the butter in a 10-inch skillet over medium heat, then add the sage leaves. Swirl the pan often as they cook for 3 to 5 minutes; look for golden-brown butter, a nutty smell, and crisp sage. Keep watching near the end, since the butter’s color can deepen quickly. Stir in the black pepper, pour the sauce over the gnocchi, and sprinkle with Parmesan before serving.
Two Small Changes for a Different Gnocchi Experience
Leave the Fork Ridges Off for Smooth Pillows
Cut the rolled dough into the same-size pieces, but leave them smooth instead of rolling them over a fork. The dumplings keep the same tender center, though the smooth surfaces catch less of the butter sauce than ridged gnocchi.
Make the Brown Butter Without Sage
For a simpler, less herbal finish, leave out the sage and brown the butter on its own, swirling the skillet until it’s golden and nutty. Add the black pepper and Parmesan as usual. You’ll keep the toasted butter flavor but lose the crisp sage leaves and their earthy note.
Storage and Reheating
- Refrigerator: Keep cooked gnocchi in an airtight container for 3 to 4 days. The butter firms up when cold, and the dumplings become a little less tender.
- Freezer: Freeze uncooked, shaped gnocchi in a single layer until firm, then transfer them to a freezer-safe bag and use within 2 months for best quality. Cook from frozen in batches; don’t thaw them first.
- Reheating: Warm cooked gnocchi gently in a skillet over low heat with a small splash of water, turning carefully to loosen the butter. High heat can scorch the butter and make the dumplings stick.
Questions That Come Up When Making Sweet Potato Gnocchi

Sweet Potato Gnocchi
Ingredients
Equipment
Method
- Heat the oven to 400°F.
- Prick the sweet potatoes several times with a fork and place them on a baking sheet.
- Bake for 45 to 60 minutes, until very tender when pierced with a knife.
- Let the potatoes cool until easy to handle, about 15 minutes.
- Split the potatoes and scoop the flesh into a large bowl.
- Mash until smooth and let cool completely, about 20 to 30 minutes.
- Add the egg yolk, 1 teaspoon kosher salt, and nutmeg to the cooled sweet potatoes and mix well.
- Fold in the 2 cups flour until a soft dough forms, taking care not to overwork it.
- Lightly dust a work surface with the remaining 1/4 cup flour.
- Divide the dough into 4 pieces and roll each into a rope about 3/4 inch thick.
- Cut the ropes into 3/4-inch pieces and roll each piece over the tines of a fork to make ridges.
- Bring the 4 quarts water and remaining 1 tablespoon kosher salt to a boil in a 6-quart pot.
- Cook the gnocchi in batches so the pot is not crowded.
- When the gnocchi float, cook for 30 seconds more, then lift them out with a slotted spoon onto a serving platter.
- Melt the butter in a 10-inch skillet over medium heat.
- Add the sage leaves and cook for 3 to 5 minutes, swirling the pan often, until the butter is golden brown and smells nutty and the sage is crisp.
- Stir in the black pepper.
- Pour the sauce over the gnocchi and sprinkle with Parmesan before serving.





