I have a soft spot for cookies that are a little different from the usual chocolate chip batch, and these sweet potato cookies have become one of those recipes I like making when I have extra sweet potatoes hanging around. They bake up soft, pillowy, and tender with a mild sweetness that makes it very easy to grab another one.

The first time I made them, I was mostly trying to use leftover mashed sweet potatoes. I ended up liking the cookies enough that I stopped thinking of them as a leftover recipe. Now I’m perfectly willing to cook sweet potatoes just for these, which says quite a bit because I usually try very hard to avoid extra kitchen work.

A cookie that started with leftover sweet potatoes

What I like most here is the texture. These aren’t crisp cookies that snap when I pick them up. They stay soft and thick, almost cake-like in the middle, with lightly golden edges after baking.

The cup of mashed sweet potato gives the cookies their pretty color and a gentle earthy sweetness. I don’t find the sweet potato flavor overwhelming at all. It’s more like a cozy background flavor that works with the brown sugar, vanilla, and pecans.

I also appreciate how simple the dough is. There is no long list of spices or complicated mixing method. I just combine the dry ingredients, add the wet ingredients and pecans, scoop the dough, and bake.

One little thing I learned after making these is that I really do want the sweet potatoes mashed as smoothly as possible. Big pieces aren’t the end of the world, but I prefer a smooth mixture because the finished cookies have a more even texture.

Ingredients I Used for the Recipe

• 1 cup firmly packed light brown sugar: I use this for deeper sweetness and to help keep the cookies soft.
• 1 cup white sugar: This adds sweetness while helping the cookies develop lightly golden edges.
• 1 teaspoon baking soda: I use baking soda to help the cookies rise and bake up tender.
• 2 1/2 cups all-purpose flour: This gives the dough enough structure to hold the mashed sweet potatoes and other ingredients.
• 1 cup cooked, mashed sweet potatoes: This is the ingredient that gives the cookies their color, softness, and subtle sweet potato flavor.
• 2 large eggs, room temperature: I add these to help bring the dough together and give the cookies a tender texture.
• 1/2 cup unsalted butter, melted: The melted butter adds richness and keeps the cookies pleasantly soft.
• 1 teaspoon vanilla extract or flavoring: I like vanilla here because it rounds out the brown sugar and sweet potato flavors.
• 1 cup chopped pecans: These add little crunchy pieces throughout the soft cookies, which I really like.
• Optional chopped pecans and turbinado sugar: I sometimes sprinkle these over the dough before baking for extra crunch and a little sparkle.

If I don’t have leftover mashed sweet potatoes, I cook about two medium sweet potatoes. Baking is my preferred method when I have time because I find the flavor especially nice. I scrub them, poke them with a fork, and bake them at 375°F for 45 to 60 minutes, until they are completely tender.

When I’m in a hurry, I peel and cut them into chunks and boil them for about 15 to 20 minutes. I drain them really well before mashing because I don’t want a watery sweet potato mixture going into the cookie dough.

I usually make the sweet potatoes earlier in the day if I know I’m baking later. Once they’re cooked and mashed, the actual cookie-making part feels very quick.

How to make Sweet Potato Cookies?

Step 1 – Get the oven ready

I start by heating the oven to 350°F. Then I line my cookie sheet with parchment paper or use a nonstick silicone baking mat.

I like doing this before mixing the dough because once everything is combined, I don’t want to be standing around looking for parchment while the oven is already hot.

Step 2 – Mix the dry ingredients

I add the firmly packed brown sugar, white sugar, baking soda, and all-purpose flour to a large bowl. I stir everything together until it looks evenly mixed.

There is no need for a fancy mixer here. I usually use a wooden spoon or sturdy spatula and keep things simple.

Step 3 – Add the sweet potatoes and wet ingredients

Next I add the mashed sweet potatoes, room-temperature eggs, melted unsalted butter, vanilla, and chopped pecans.

I stir until I have a thick, evenly combined dough. I try not to keep stirring forever once everything comes together. I used to overmix cookie dough because I thought smoother always meant better, but I’ve learned that stopping once everything is incorporated works just fine here.

Step 4 – Scoop the cookie dough

I use a small cookie scoop to portion the dough onto my prepared baking sheet. I leave some space between each scoop so the cookies have room to bake without running into each other.

The dough is soft, so I don’t bother trying to roll it into perfectly neat balls with my hands. The scoop is much easier and gives me cookies that are roughly the same size.

Step 5 – Add the crunchy topping

This part is optional, but I like it. I sprinkle a few extra chopped pecans over each portion of dough, then add a little turbinado sugar.

The cookies are already soft, so that small amount of crunch on top makes the texture more interesting. I wouldn’t pile it on, though. Just a light sprinkle is enough for me.

Step 6 – Bake until lightly golden

I bake the cookies for about 10 to 12 minutes, watching for lightly golden edges and a set appearance.

I don’t like taking these too far in the oven. The whole point, at least for me, is that soft center. If I wait until they look deeply browned, I usually end up with a cookie that doesn’t have quite the same tender texture I wanted.

Step 7 – Let them cool

I let the cookies cool on the baking sheet briefly before moving them to a wire rack. They are delicate while they’re hot, so I try not to rush this part.

Once they’ve cooled enough to handle, I move them over and let them finish cooling. The texture settles as they cool, and I think they taste even better once they’re no longer piping hot.

Small changes I like making

I really like the original simplicity of these cookies, but there are a few easy ways I change them depending on what I have in the kitchen.

Cinnamon would be my first addition if I wanted a warmer fall-style cookie. A little nutmeg or clove could work too. I would start small because the sweet potato flavor is mild and I don’t want the spices taking over.

I also like extra pecans on top. The pecans inside already give the cookies some texture, but the toasted little pieces on the surface make each bite feel slightly more special.

If I don’t have leftover sweet potatoes, I would rather cook fresh ones than skip the recipe. I know some recipes say canned puree can be substituted, and plain sweet potato puree may work, but I haven’t personally tested that version. I would make sure it is plain puree rather than anything sweetened or seasoned.

One thing I wouldn’t do is use sweet potato pie filling by accident. I keep those two products separate in my pantry because they aren’t interchangeable for a recipe like this.

Tips

• Make the sweet potatoes ahead: I often cook and mash them earlier so the cookie dough comes together quickly.
• Drain boiled sweet potatoes well: Extra water can make the mixture wetter than I want.
• Use smooth mashed sweet potatoes: I get the nicest texture when there aren’t large chunks throughout the dough.
• Don’t overbake: I pull these from the oven once they’re lightly golden because I want that soft, pillowy texture.
• Use room-temperature eggs: I find they mix into the melted butter and sweet potato mixture more easily.
• Don’t skip the pecans if you like crunch: The soft cookie and crunchy pecans are one of my favorite parts of this recipe.
• Add spices carefully: Cinnamon, nutmeg, or cloves can be nice, but I prefer using a light hand so the sweet potato doesn’t disappear.
• Cool them before storing: I let the cookies cool completely before putting them into an airtight container.
• Keep leftovers at room temperature: I store them in an airtight container and use them within about 3 days for the best texture.

The way I like serving these cookies

I usually reach for these when I want something soft with coffee or tea instead of a very rich dessert. They’re sweet enough to feel like a treat, but the flavor isn’t so intense that I can’t have one in the afternoon.

They’re also a nice reason to save a little leftover mashed sweet potato instead of automatically turning every leftover into another savory side dish. I’ve definitely looked at a container of mashed sweet potatoes in the refrigerator differently since making these.

For me, the best batch has lightly golden edges, a very soft middle, plenty of little pecan pieces, and just a little turbinado sugar on top. Nothing fancy. Just a really cozy cookie that happens to give those leftover sweet potatoes a second life.