Side Dishes
This sweet potato aioli recipe transforms humble roasted sweet potatoes into a velvety, creamy dip with deep garlic-herb notes that elevates any meal. The secret lies in puréeing cooked sweet potatoes until silky smooth, then emulsifying them with oil and garlic for a stable, restaurant-worthy texture.
Unlike traditional aioli, this version brings natural sweetness and earthy depth that pairs perfectly with roasted veggies, grilled proteins, or crispy fries.
The process is simpler than it sounds: roast the sweet potatoes until tender, then blend them with warm oil, garlic, and a touch of lemon to create a smooth base. For extra stability, I add a splash of aquafaba (for vegan versions) or a beaten egg yolk (for classic richness).
The result? A dip that’s creamy yet light, with just enough sweetness to balance the bold garlic and fresh herbs.
What makes this aioli stand out is its versatility—use it as a dip for veggie sticks, a sauce for tacos, or a glaze for roasted chicken. The natural sweetness of the sweet potato rounds out the sharpness of garlic and herbs, making it far more complex than store-bought versions.
Plus, it’s packed with nutrients and easy to customize with spices like smoked paprika or cayenne for heat.
Best of all, this recipe keeps well in the fridge for up to 5 days, so you can make a big batch and enjoy it all week.
Whether you’re hosting a dinner party or just craving something creamy, this sweet potato aioli delivers big flavor with minimal effort. Let’s get started!
Ingredients for sweet potato aioli
Roasted sweet potatoes meet velvety garlic-herb aioli for a creamy, restaurant-worthy dip.
| Ingredient | Amount | Notes |
|---|---|---|
| Large Sweet Potatoes 🍠 | 2 whole | Organic preferred, skin-on for texture |
| Extra-Virgin Olive Oil 🫒 | ¾ cup | High quality, fruity flavor |
| Garlic Cloves 🧄 | 4 cloves | Fresh, peeled, roughly chopped |
| Lemon Juice 🍋 | 2 tbsp | Freshly squeezed, strained |
| Fresh Dill 🌿 | ¼ cup | Chopped, stems removed |
| Fresh Parsley 🌿 | ¼ cup | Chopped, flat-leaf preferred |
| Salt 🧂 | ½ tsp | Diamond Crystal kosher salt |
| Black Pepper 🌶️ | ¼ tsp | Freshly ground preferred |
| Aquafaba 🥫 | 2 tbsp | From canned chickpeas, vegan binder |
| Smoked Paprika 🌶️ | ½ tsp | Optional for depth of flavor |
The sweet potatoes are the foundation—organic if possible, since their natural sweetness shines in the final dip. Roast them until tender (about 45 minutes at 400°F), then peel while still warm for the smoothest texture. Trader Joe's has great organic sweet potatoes year-round, but any firm, vibrant ones work. For extra richness, I sometimes add a pinch of cinnamon to the roasting pan—trust me, it complements the garlic beautifully. The skin-on version adds subtle texture that makes this aioli feel more substantial than traditional versions.
No fresh dill? Fresh mint or basil works in a pinch, though dill's bright flavor is ideal. Short on aquafaba? 1 tbsp cornstarch or arrowroot powder thickens beautifully (just mix with 2 tbsp cold water first). The olive oil matters here—store-bought brands like California Olive Ranch are reliable, but nothing beats a good bottle of Italian extra-virgin. For extra stability, blend the warm (not hot) sweet potatoes with the oil—this helps emulsify better than cold ingredients. The smoked paprika is optional but adds that smoky depth that makes this aioli feel gourmet without extra effort.
This aioli keeps beautifully—5 days in the fridge sealed tightly, or 3 months frozen in ice cube trays for single servings. The texture actually improves after a day as flavors meld. For serving, I like to transfer it to a pretty bowl and add a drizzle of olive oil on top—keeps it fresh longer and looks stunning. If you're making this ahead for a party, bring it to room temperature before serving so the flavors pop.
Why You'll Love This Recipe
- No Food Processor Needed: I’ll be honest—this recipe doesn’t demand a fancy blender. Roast the sweet potatoes until tender, then mash them with olive oil, garlic, and lemon while they’re still warm. The texture comes together in minutes, no pulsing required.
- Herb-Forward Magic: That bright dill and zingy lemon cut through the sweetness of the potatoes like a cool breeze. The garlic? Oh, it’s there—just enough to make it savory without stealing the show.
- Game for Any Spread: Slather it on grilled chicken, toss it with roasted veggies, or use it as a dip for chips. It’s my go-to for game day, lazy Sundays, or when I’m too tired to think of anything else.
- Leftovers? Even Better: The flavor actually improves overnight—yes, really. Store it in the fridge, and the next day, it’s creamier and more complex, ready to jazz up whatever’s on the menu. (Pro tip: Add a splash of water if it thickens.)
Step-by-step instructions for sweet potato aioli
Here's the method for a velvety-smooth aioli with deep roasted sweet potato flavor and bright herb notes.
Roast the Sweet Potatoes Until Tender
Preheat your oven to 400°F. Pierce the 2 whole large sweet potatoes with a fork in several places to allow steam to escape. Place them directly on the oven rack or on a baking sheet lined with parchment paper. Roast for 45-50 minutes until the skins are wrinkled and a knife slides in easily.
Here's the thing—roasting the sweet potatoes until they're completely tender is crucial. You want them to mash easily with minimal effort. If you're using organic sweet potatoes, the skins will crisp up beautifully during roasting. Let them cool for 10 minutes before handling, then peel off the skins and discard them.
Create a Silky Sweet Potato Purée
Transfer the roasted sweet potatoes to a food processor or high-speed blender. Add 2 tablespoons aquafaba and 0.5 teaspoon salt. Pulse until completely smooth, scraping down the sides as needed. The aquafaba acts as a vegan binder, creating that signature aioli texture without eggs.
You'll notice the purée is quite thick at this stage—that's normal. We'll thin it out as we add more ingredients. If you're using a regular blender, you might need to add 1-2 tablespoons water to help it blend smoothly. Taste the purée and adjust the salt if needed; this is your flavor base.
Infuse with Garlic and Smoky Depth
In a small skillet, heat 0.75 cup extra-virgin olive oil over medium-low heat. Add the 4 cloves roughly chopped garlic and 0.5 teaspoon smoked paprika. Cook for 2-3 minutes until the garlic is golden and fragrant, being careful not to let it burn.
Here's where the magic happens: the garlic should be golden but not crispy—just fragrant enough to perfume the entire aioli. Remove from heat immediately and let it cool for 5 minutes. Then carefully strain the garlic oil through a fine-mesh sieve, pressing on the garlic to extract every bit of flavor. Discard the garlic solids.
Whisk Together for Creamy Perfection
Return the sweet potato purée to the food processor or blender. With the motor running, slowly drizzle in the garlic-infused olive oil. Add 2 tablespoons lemon juice and 0.25 teaspoon black pepper, then pulse until completely smooth and creamy. The mixture should be thick but still pourable.
If it's too thick, add 1-2 teaspoons water at a time until you reach the perfect consistency. Here's the test: when you spoon some onto a plate, it should hold its shape slightly but still spread easily. The aioli should have a vibrant orange color from the sweet potatoes and a rich, velvety texture.
Finish with Fresh Herbs
Transfer the aioli to a bowl and stir in the 0.25 cup chopped fresh dill and 0.25 cup chopped fresh parsley. Taste and adjust seasoning if needed—you might want to add a pinch more salt or lemon juice to balance the flavors. The herbs should be finely distributed throughout the aioli for even flavor in every bite.
This aioli keeps well in the refrigerator for up to 5 days, though it's best enjoyed fresh. For serving, you can thin it slightly with a splash of water or lemon juice if it thickens when chilled. The combination of roasted sweet potato, garlic, and fresh herbs creates a dip that's creamy, flavorful, and perfect for vegetables, chips, or as a sandwich spread.
Pro Tips For Making Sweet Potato Aioli
- STEAM DON’T BOIL: Sweet potatoes for aioli need to be tender but not falling apart—boiling turns them mushy. Wrap them in foil and steam at 400°F for 45 minutes (yes, in the oven). The skin stays intact, and the flesh is creamy without watering down your aioli.
- ROAST GARLIC FIRST: Raw garlic in aioli can taste harsh, even when blended. Lightly roast 4-5 cloves at 400°F for 10 minutes until soft and golden. The flavor mellows and deepens—no more biting aftertaste.
- LEMON IN STAGES: Dumping all the lemon juice at once can curdle the aioli. Start with 1 tablespoon, blend, then add the rest. If it splits, a splash of warm water (not ice-cold) fixes it—just blend again.
- CHILL BEFORE USING: Fresh aioli thickens when cold. Make it 30 minutes ahead and refrigerate. The texture smooths out, and the flavors meld better—no more grainy or oily surprises when you dip.
Storing and reheating your leftovers
Fridge Storage Basics
Store your sweet potato aioli in an airtight container with a lid—glass jars or small mason jars work perfectly. The aioli will thicken slightly when chilled, so leave about ½ inch of headspace to prevent spillage.
I like using Ball mason jars because they seal tightly and stack neatly in the fridge. Keep it refrigerated at 40°F or below for up to 5 days, though the flavors deepen over time. 🥫
Freezer Prep Tips
For longer storage, portion the aioli into ice cube trays or small silicone molds—this makes thawing easy for single servings. Once frozen solid (about 2-3 hours), transfer the cubes to a freezer-safe bag or container, squeezing out excess air to prevent freezer burn.
Label with the date and freeze for up to 3 months. The texture may separate slightly after freezing, but a quick blend with 1-2 teaspoons water restores creaminess.
Thawing Methods
Thaw overnight in the fridge for the best results, or use the quick thaw method: place the sealed container in a bowl of cool water for 15-20 minutes, stirring occasionally. Avoid microwave thawing—it can break the emulsion and make the aioli grainy.
If the texture thickens after thawing, stir in 1 teaspoon lemon juice or water to restore smoothness. The flavor recovers fully once at room temperature.
Reheating for Serving
For a restaurant-style finish, gently reheat the aioli by placing the container in a bowl of warm water (about 110°F) for 5-10 minutes. Never microwave—it can scramble the emulsion and make it oily.
Stir well before serving, and if needed, add a splash of lemon juice or olive oil to refresh the texture. The warm aioli pairs beautifully with grilled veggies or crispy fries. ✨
Reviving Thickened Aioli
If your aioli thickens after refrigeration, don’t worry—it’s easily fixable! Stir in 1 teaspoon lemon juice or water at a time until it reaches a smooth, spreadable consistency. For extra richness, add ½ teaspoon olive oil while stirring.
The natural sweetness of the roasted sweet potatoes balances any adjustments perfectly. This trick works especially well if you’ve stored it for 3-4 days and want to serve it fresh again.
Serving After Storage
When ready to serve, transfer the aioli to a prettily shaped bowl or dish for presentation. Drizzle with extra-virgin olive oil and sprinkle with fresh parsley or dill for a pop of color. The aioli tastes best at room temperature, so let it sit for 10-15 minutes before serving.
If you’re using it as a dip, thin it slightly with 1 teaspoon water for easier scooping. The flavors are just as vibrant as when freshly made! 💛
Nutrition facts
Frequently asked questions
Can I make this aioli without aquafaba?
For a vegan version, replace the aquafaba with 1 tbsp cornstarch or arrowroot powder mixed with 2 tbsp cold water. For a classic version, use 1 egg yolk beaten until pale and slightly thickened. Both methods create a stable emulsion—just adjust the liquid slightly if needed for the right consistency.
Why did my aioli turn oily or separate?
This usually happens when the emulsion breaks, often from adding ingredients too quickly or using cold ingredients. To fix it, whisk in 1 tsp lemon juice or a splash of warm water while blending. For prevention, always blend the warm sweet potato purée with the oil slowly, and keep everything at room temperature during mixing.
What are the best ways to use this aioli?
This creamy dip is incredibly versatile! Use it as a spread for sandwiches or wraps, a dip for veggie sticks, chips, or fries, or a glaze for grilled chicken or fish. It also works wonders in tacos, on baked potatoes, or even as a topping for roasted Brussels sprouts. The natural sweetness balances bold flavors beautifully.
Can I make this aioli ahead of time?
Yes! This aioli actually tastes better after sitting for a few hours as the flavors meld. Store it in an airtight container in the fridge for up to 5 days. The texture may thicken slightly—just stir in 1 tsp lemon juice or water to restore creaminess before serving. For longer storage, freeze in ice cube trays for up to 3 months.
How do I adjust the flavor if it tastes too sweet?
If the sweetness overpowers the garlic and herbs, balance it with extra lemon juice (1-2 tbsp) or a pinch of salt. For a smokier profile, add ½ tsp smoked paprika or a dash of cayenne. If you prefer tangier flavors, stir in 1 tsp Dijon mustard**—it adds depth without altering the texture.