This creamy sweet potato cauliflower mash is a healthy, flavorful twist on classic mashed potatoes—perfect for weeknights or holiday sides.
WI’ll be the first to admit—I love mashed potatoes. They’re creamy, cozy, and the ultimate comfort food. But sometimes, I want something that feels a little lighter without sacrificing that creamy texture I crave. That’s where this sweet potato cauliflower mash comes in. It’s healthy, flavorful, and honestly one of my favorite veggie mash side dishes to whip up for a weeknight dinner or even a holiday meal.
Wait… Cauliflower in Mashed Potatoes?
I know what you might be thinking—“cauliflower in mashed sweet potatoes?” Trust me, it works. Cauliflower has such a mild flavor and light texture that when you mash it together with sweet potatoes, it blends right in. The result? A smooth, creamy mash that’s packed with more nutrients and fewer carbs than traditional mashed potatoes. It’s the kind of side dish that even picky eaters (yep, including kids) happily eat without realizing they’re loading up on extra veggies.
Why I Love This Healthy Mash
This recipe checks all the boxes: wholesome, filling, and delicious.
- Cauliflower is lower in carbs and calories compared to potatoes, making it a great choice if you’re looking for a low carb mashed potato alternative. Plus, it’s loaded with fiber, vitamin C, vitamin K, and antioxidants that support overall health.
- Sweet potatoes bring natural sweetness and a dose of nutrients like vitamin A, potassium, and fiber. They’re also known to help reduce inflammation and keep blood sugar levels steady.
Together, they create a creamy vegetable mash that feels indulgent while still being healthy.
Ingredients You’ll Need
Here’s what goes into my easy mashed sweet potatoes and cauliflower recipe:
- 4 medium sweet potatoes, peeled and cut into 2-inch pieces
- 1 head cauliflower, cut into florets
- 4 cups vegetable broth (or water)
- 1 tablespoon salt (plus more to taste)
- 2 teaspoons granulated garlic
- 1/4 cup vegan butter substitute
How to Make Sweet Potato Cauliflower Mash
This creamy sweet potato cauliflower mash couldn’t be easier:
- Toss the sweet potatoes, cauliflower, broth (or water), and salt into a large pot.
- Bring it to a boil, then reduce the heat and let it simmer for about 15–20 minutes until the veggies are fork-tender.
- Drain the liquid and return the veggies to the pot.
- Add the garlic and butter (or vegan butter substitute).
- Mash everything together with a potato masher—or, if you like it extra smooth, use an immersion blender or food processor.
- Taste and adjust the salt as needed.
That’s it! A simple, gluten-free side dish that works for weeknights, Thanksgiving dinner, or anytime you’re craving comfort food with a healthier twist.
FAQ About Sweet Potato Cauliflower Mash
Can I make this ahead of time?
Yes! You can make it a day in advance and reheat it on the stove or in the microwave. Just add a splash of broth if it gets too thick.
Can I use regular butter instead of vegan butter?
Absolutely—use whatever works best for your diet and taste.
Is this recipe Whole30 or Paleo-friendly?
Yep! As long as you use a compliant butter or ghee, this mash fits right in with Whole30 and Paleo diets.
Does it taste like cauliflower?
Not really—the sweet potatoes balance out the flavor so you mostly get a creamy, slightly sweet mash.
What to Serve it With
This healthy side dish goes well with many different mains. It’s simple enough for weeknight meals with the family but special enough for holiday dinners. Try it alongside these healthy options:
- Here’s How to Cook the Perfect Turkey and Gravy
- Classic Green Bean Casserole
- Cast-Iron Stuffing Recipe with Ezekiel Bread (pictured above)
- Vegan Mushroom Wellington
- Instant Pot “Rotisserie” Chicken
Now, let’s get to the recipe, shall we?!
Sweet Potato Cauliflower Mash
Ingredients
- 4 sweet potatoes medium, peeled and cut into 2" pieces
- 1 head of cauliflower cut into florets
- 4 cups vegetable broth or water
- 1 tablespoon salt more as needed
- 2 teaspoons granulated garlic
- 1/4 cup butter or vegan butter substitute
Instructions
- Place sweet potatoes, cauliflower, broth/water, and salt into a large pot. Bring to a boil, reduce heat, and simmer for 15-20 minutes, until vegetables are fork-tender and easily mashed.
- Drain off broth/water and return vegetables to the pot. Add granulated garlic and vegan butter substitute. Mash with a potato masher, and adjust salt to taste.
- Alternately, process mixture in a food processor or use an immersion blender until smooth and creamy.
Nutrition Information
Have you made this recipe?
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Looking for more hidden cauliflower dishes like this Sweet Potato Cauliflower Mash? Check out some of my other favorites!
- Cauliflower Holiday Stuffing
- Low-Carb Loaded Cauliflower Casserole
- Cauliflower Nachos
- Cauliflower Pizza
- Cheesy Garlic Cauliflower Bread Sticks
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