Give your holiday table an herby, tangy twist with my Healthy Mashed Sweet Potatoes recipe. Creamy-dreamy, cheerfully colored, and flavored with a wintry blend of rosemary, garlic, parsley, and protein-packed greek yogurt, these sweet spuds are perfect for pairing with all your cold-weather favorites.
Fall is officially here, and I’m celebrating by cooking up all my cozy comfort food classics. But, as much as I love meaty mains like my crock-pot london broil and honey balsamic chicken with rosemary, both need a little something extra to round out the meal. These autumnally appropriate, amber-hued mashed sweet potatoes are just the thing.
With a fluffy, decadent consistency like my boursin mashed potatoes, they’re perfect for soaking up saucy goodness like the jus from my slow cooker rump roast or the gravy from my dutch oven chicken and veggies. And, since they’re made without any cream—greek yogurt makes for a deliciously nutritious alternative—you can eat them with gusto!
Love sweet potatoes as much as I do? Try my vegetarian sweet potato chili, vegan black bean sweet potato burgers, and crispy sweet potato wedges next!
Jump to:
- What do they taste like?
- Why You’ll Love This Mashed Sweet Potato Recipe
- Ingredients Needed
- Substitutions
- How To Make Mashed Sweet Potatoes
- Optional Variations & Dietary Adjustments
- Serving Suggestions
- Recipe Success Tips
- Storage Instructions
- Healthy Mashed Sweet Potato Recipe Nutrition
- Pricing Info
- FAQs
- Other Thanksgiving Side Recipes
- Recipe
What do they taste like?
These savory mashed sweet potatoes with garlic are the perfect mix of cozy comfort and fresh flavor. The sweet potatoes bring a natural caramel-like sweetness and creamy texture, which is balanced by the tang of Greek yogurt and the richness of butter and milk. Garlic adds a subtle savory depth, while fresh rosemary and parsley keep things lively with piney, herbaceous notes.
The overall taste is decadent and balanced—not sugary-sweet like some marshmallow-topped holiday dishes. The resulting mashed sweet potatoes are hearty and indulgent, but still bright and vibrant enough to cut through heavier main courses.
Why You’ll Love This Mashed Sweet Potato Recipe
- Quick & Easy – Making mashed sweet potatoes couldn’t be easier! Cube, boil and drain them, add the extras to the pot, then mash until creamy and delicious. All in, you’re looking at just 15 minutes of active prep!
- Inexpensive – At under a dollar a serving, this starchy vegetarian side dish is perfect for hosting a crowd while keeping your holiday budget in check.
- Nutritious & Delicious – Despite their indulgently creamy texture, these healthy mashed sweet potatoes are bursting with essential nutrients, including a whopping 7 grams of fiber and sneaky 5 grams of protein per serving!
Ingredients Needed
- Sweet Potatoes – The heart of our recipe! Use any red- or orange-fleshed variety (e.g. jewel or garnet) you prefer.
- Unsalted Butter – For holiday-worthy richness. If possible, opt for organic, grass-fed, cultured butter for the best flavor and healthiest nutrient profile.
- Plain Greek Yogurt – With far less fat and calories and more protein than heavy cream (not to mention a nice probiotic boost), plain greek yogurt is the secret to making healthier mashies of any sort!
- Whole Milk – Since we’re not using cream, whole milk is preferred for adding enough fat for these mashed sweet potatoes to taste luxurious.
- Fresh Rosemary & Fresh Parsley – A double whammy of fresh herbs brings a piney, herbaceous note that’s right at home on any cold-weather table.
- Garlic – For a pop of savory sweetness and depth.
- Salt & Black Pepper – Just the basics to round it all out.
Substitutions
- Sweet Potatoes – While you can sub in white or purple sweet potato varieties, or use yams instead, note that these can be drier and less sweet. You may need to increase the amount of dairy you add and may want to add a splash of maple syrup for added sweetness if you do.
- Unsalted Butter – Ghee, olive oil, or your favorite plant-based butter will all add a similar richness.
- Plain Greek Yogurt – Sour cream, cream cheese, or a dairy-free yogurt can stand in while still giving that creamy tang. Just note that you won’t get the same protein hit if you do.
- Whole Milk – Half-and-half, any percentage of dairy milk or any variety of unflavored full-fat plant milk will work just as well.
- Fresh Herbs – You’re welcome to swap in ⅓ as much dried herbs. Alternatively, experiment with other fresh herbs like sage or thyme.
- Garlic – Garlic powder or roasted garlic can be used in place of fresh for a milder, sweeter flavor.
How To Make Mashed Sweet Potatoes
Step 1: Prep & Boil the Potatoes. Peel and cube the sweet potatoes, then place them in a large pot of salted water. Bring to a boil and cook until fork-tender, about 15–20 minutes.
Step 2: Mash with Flavor. Drain the potatoes well, then return them to the pot or a large mixing bowl. Add butter, Greek yogurt, milk, garlic, herbs, salt, and black pepper, mashing until smooth and creamy.
Step 3: Garnish & Serve. Transfer the mashed garlic sweet potatoes to a serving dish, sprinkle with extra fresh herbs or top with a pat of butter, and enjoy warm.
Optional Variations & Dietary Adjustments
- Dairy-Free/Vegan Mashed Sweet Potatoes – Swap the butter for olive oil or vegan butter, the Greek yogurt for unsweetened coconut or almond yogurt, and the milk for oat, almond, or soy milk.
- Extra Creamy – Stir in a splash of heavy cream or half-and-half for ultra-rich mashed sweet potatoes worthy of a holiday spread.
- Cheesy Upgrade – Fold in a handful of grated parmesan, pecorino, or sharp cheddar for a savory, stretchy twist.
- Allium-Free – Skip the garlic if you’re sensitive, letting the fresh herbs shine on their own. Alternatively, add a pinch or two of asafoetida.
- Holiday Herbs – Sub in sage or thyme, or add a pinch of nutmeg for festive, seasonal flair.
- Spicy – Add a sprinkle of cayenne, smoked paprika, or chili flakes for warmth and a hint of heat.
- Chunky – Mash lightly with a fork or potato masher instead of whipping for more texture.
Serving Suggestions
These herb mashed sweet potatoes are the ultimate side dish for cold-weather meals, holiday feasts, or any night when the craving calls. Serve them alongside roasted turkey or chicken for a classic comfort food spread, or spoon them next to a juicy steak or pork tenderloin for a cozy weeknight dinner.
Try serving them with my make-ahead stuffing, caramelized bacon brussels sprouts, or a spoonful of healthy corn casserole for a classic holiday plate. They’re also a natural companion to decadent sides like my bacon green bean casserole, or lighter veggie sides like my easy oven roasted fall vegetables.
For a zippier presentation, garnish your mashed sweet potatoes with a few extra sprigs of rosemary or parsley for a fresh pop of green. They look especially pretty served in a rustic dish or cast iron skillet, adding a farm-to-table feel that makes your spread even more inviting.
Recipe Success Tips
- Cut evenly. Dice your sweet potatoes into similar-sized cubes so they cook at the same rate and mash evenly.
- Season the water. Add a good pinch of salt to the boiling water to season the sweet potatoes from the inside out.
- Drain well. After boiling, make sure to drain the potatoes thoroughly so your mash doesn’t turn watery.
- Slightly warm the milk and soften the butter before mixing them in to help everything blend smoothly and quickly.
- Add herbs last so their flavor stays bright and vibrant.
Storage Instructions
- Refrigerate: Transfer leftovers to an airtight container and store in the fridge for up to 4 days.
- Freeze: Mashed sweet potatoes freeze surprisingly well! Place them in a freezer-safe container or bag for up to 2 months. Thaw overnight in the fridge before reheating. Feel free to add a bit of extra butter to help re-emulsify the mash if needed.
- Reheat: Warm gently on the stovetop over low heat or in the microwave, adding a splash of milk to loosen if needed. Stir well so the butter and yogurt blend back in smoothly.
- Make-Ahead: You can prepare these a day or two in advance—just reheat before serving and finish with a sprinkle of fresh herbs for that just-made flavor.
Healthy Mashed Sweet Potato Recipe Nutrition
Each serving of these herb mashed sweet potatoes comes in at about 261 calories, with a nutrient profile that’s both satisfying and balanced. You’ll get 41 grams of carbohydrates for steady energy, plus 7 grams of fiber to keep you feeling full and support digestion.
The addition of Greek yogurt and milk provides a modest boost of 5 grams of protein, while 9 grams of fat (mainly from the dairy) help create that creamy, indulgent texture. Sodium sits at 401 mg per serving, which is reasonable for a savory side dish. Feel free to swap in a salt-free seasoning like Mrs. Dash if needed.
Overall, this recipe gives you all the cozy comfort of spuds while sneaking in plenty of fiber, antioxidants, and nutrients from sweet potatoes and fresh herbs. So, while I’m not your personal RDN, I’d say these mashed sweet potatoes are a smarter way to enjoy a holiday favorite. Enjoy every sweet and savory bite!
Total nutritional content per serving is:
- Calories: 261 calories
- Carbohydrates: 41 grams
- Protein: 5 grams
- Total Fat: 9 grams
- Sodium: 401 mg
- Fiber: 7 grams
*This nutritional information is an estimate and calculated based on the ingredients used to create the recipe. The nutritional value of your ingredients may differ slightly. Furthermore, this food is not intended to prevent, diagnose, cure, or treat any disease.
Pricing Info
This is what I personally paid to make this recipe:
- 3 lbs sweet potatoes: $4.44
- ¼ cup unsalted butter: $0.51
- ¼ cup plain Greek yogurt: $0.23
- ¼ cup whole milk: $0.05
- 1 tbsp chopped fresh rosemary: $0.36
- 1 tbsp chopped fresh parsley: $0.05
- 4 garlic cloves: $0.08
- 1 tsp salt: $0.01
- ¼ tsp black pepper: $0.01
The total comes out to be around $5.74 or roughly $0.96 per serving!
FAQs
They can be! Sweet potatoes are packed with fiber, vitamin A (in the form of beta-carotene), vitamin C, potassium, and antioxidants, which gives us a healthy start. When mashed with wholesome add-ins like Greek yogurt and fresh herbs, they make a nutrient-rich side that feels indulgent. As far as which is healthier, it really comes down to how they’re prepared and what fits best with your nutritional needs. Sweet potatoes are higher in vitamin A, antioxidants, and fiber, while white potatoes provide more potassium and vitamin B6.
The healthiest way is to keep it simple and let the natural sweetness shine. Steaming, roasting, or mashing with wholesome add-ins (like Greek yogurt for protein, fresh herbs for flavor, and just a touch of butter for richness) gives you all the fiber, vitamins, and antioxidants without piling on extra sugar or heavy cream.
For a lighter option, try drizzling on heart-healthy olive oil and topping with fresh herbs.
While I don’t really like to call any foods “bad,” per se, sweet potatoes are definitely considered good carbs. They’re a complex carbohydrate, meaning they digest more slowly than refined carbs and provide steady energy instead of a quick spike and crash.
Other Thanksgiving Side Recipes
Tried this recipe? Please leave a ⭐⭐⭐⭐⭐ rating in the comments below! I would really appreciate your feedback!
Recipe
Herby Mashed Sweet Potatoes
Equipment
- 1 5 or 6 qt Dutch Oven or large stockpot
- 1 electric mixer or potato masher
Ingredients
- 3 lbs sweet potatoes peeled and chopped into 1 inch cubes
- ¼ cup unsalted butter
- ¼ cup plain Greek yogurt
- ¼ cup whole milk
- 1 tbsp chopped fresh rosemary
- 1 tbsp chopped fresh parsley
- 4 garlic cloves minced
- 1 tsp salt
- ¼ tsp black pepper
Instructions
- Peel the potatoes and diced them into 1 inch cubes.
- Bring a large pot of water to a boil, then add the potatoes. Boil, stirring occasionally, for 10-15 minutes, or until the sweet potatoes are fork-tender.
- Drain the potatoes and place them back in the pot along with the remaining ingredients. Using a handheld electric mixer or potato masher, mash the sweet potatoes to the desired consistency. Serve!
Notes
Nutrition
If you end up making this and loving it, take a photo and tag me on Instagram! I’d love to see your versions of my recipes! And feel free to rate it down below in the comment section. I would really appreciate it!
xoxo Megan
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