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Mashed Potatoes and Cauliflower

Mashed potatoes and cauliflower together make for a creamy, comforting side dish with a little twist. By combining the heartiness of potatoes with the lightness of cauliflower, you get all the satisfaction of classic mashed potatoes while keeping things a bit fresher and more balanced. This recipe is simple, wholesome, and versatile enough for both weeknight dinners and festive occasions.

Fresh chives are used as garnish for Mashed Potatoes and Cauliflower

Why Mashed Potatoes and Cauliflower Work So Well

Potatoes bring the soft, starchy base that everyone loves in traditional mashed potatoes, while cauliflower adds a delicate flavor and lightness.

Together, they create a mash that is smooth, flavorful, and never heavy.

The blend is especially satisfying because it holds onto the creaminess you expect but avoids feeling overly rich.

Ingredients needed to make Mashed Potatoes and Cauliflower.

Ingredients for the Best Flavor and Texture

The secret to great mashed potatoes and cauliflower lies in a few simple, carefully chosen ingredients. Fresh potatoes and cauliflower florets form the foundation.

Garlic adds depth and a savory aroma that builds warmth into every bite. A drizzle of olive oil enhances smoothness while also providing a subtle, fruity note. For creaminess, a spoonful of sour cream and a splash of oat milk bring everything together.

A sprinkle of chives on top adds brightness and color, making the mash as beautiful as it is delicious.

A hand mixer is used to mash potatoes and cauliflower.

How to Make Mashed Potatoes and Cauliflower

The process couldn’t be more straightforward.

Both potatoes and cauliflower florets are cooked until tender. Once drained, they are mashed together with garlic, olive oil, sour cream, and oat milk until the texture is silky.

The mash can be left a little rustic with small chunks for more texture, or blended to a smooth consistency if you prefer it that way.

Finally, chives are scattered on top for a fresh finish.

Large mixing bowl with the ready Mashed Potatoes and caulifower.

What Makes This Recipe Special

This isn’t just another mash. The combination of two vegetables brings balance—richness from potatoes and lightness from cauliflower.

The use of olive oil in place of butter gives the dish a round, smooth flavor without being heavy, while still keeping it deeply satisfying.

The end result is a mash that feels comforting but not overly indulgent, perfect for pairing with a wide range of main courses.

A top view of a large serving plate with mashed potatoes and cauliflower.

Perfect Occasions to Serve Mashed Potatoes and Cauliflower

Mashed potatoes and cauliflower are right at home on the holiday table, complementing festive roasts and seasonal sides.

They also fit perfectly into a cozy weeknight dinner when you want something warm and familiar without too much effort.

Because the flavors are versatile, this mash works with everything from hearty stews to lighter vegetable dishes.

Closeup on a serving garnished with chives.

Variations to Try

This recipe is a wonderful base for creativity.

A sprinkle of roasted garlic can make it even more aromatic. Fresh herbs such as parsley or thyme bring an earthy lift. If you like a little tang, try adding a splash of lemon juice before serving.

You can even mix in sautéed onions for extra depth of flavor.

A spoon full of Mashed Potatoes and Cauliflower is lifted.

What to Do with Leftovers

Leftover mashed potatoes and cauliflower store beautifully.

They can be reheated gently on the stove with an extra splash of oat milk to restore creaminess. Another great option is to repurpose them into patties—simply shape, pan-fry, and enjoy a crisp new dish the next day.

They can even serve as a filling for wraps or as a topping for a vegetable shepherd’s pie.

Closeup on a spoonful of the dish.

Frequently Asked Questions

Can I make this ahead of time?

Yes, the mash can be prepared in advance and reheated before serving. Just add a bit of oat milk while warming it to bring back its silky texture.

Should I peel the potatoes?

Peeling creates a smoother texture, but leaving the skins on adds a rustic feel and extra nutrients. It depends on your preference.

Can I freeze mashed potatoes and cauliflower?

It can be frozen, though the texture may change slightly. For best results, reheat slowly with a touch of oat milk and stir well.

What type of potatoes work best?

Starchy potatoes like Yukon Golds or Russets give a fluffy, creamy mash that pairs beautifully with cauliflower.

Other recipes you must try out

Collage of two photos of Mashed Potatoes and Cauliflower with recipe title text.

Share Your Creations

I’d love to see how your mashed potatoes and cauliflower turn out. If you try this recipe, share your creation on Instagram or Facebook and tag me so I can celebrate your version.

Don’t forget to leave a comment below with your thoughts and a star rating—I truly enjoy hearing from you and it helps others discover the recipe too.

A spoon full of Mashed Potatoes and Cauliflower is lifted.

Mashed Potatoes and Cauliflower

Yield: 4
Prep Time: 5 minutes
Cook Time: 30 minutes
Total Time: 35 minutes

Mashed potatoes and cauliflower create a creamy, comforting side with a twist. Combining the heartiness of potatoes with the lightness of cauliflower offers classic satisfaction with a fresher balance. This simple, wholesome recipe suits both weeknight dinners and festive occasions.

Ingredients

  • 2 pounds Potatoes, peeled and chopped 
  • 2 cups Cauliflower florets 
  • 2 cloves Garlic 
  • 3 tablespoons Olive oil 
  • 6 ounces Dairy-free sour cream 
  • 4 tablespoons oat milk 
  • 3 tablespoons Chives, chopped for garnish 
  • Salt, pepper to taste 

Instructions

  1. Peel and chop the potatoes into chunks. Place them in a large pot, cover with cold water, and add a pinch of salt. Bring to a boil, then simmer for 15–18 minutes, or until fork-tender.
  2. While the potatoes are cooking, steam or boil the cauliflower florets for 10–12 minutes, until soft and easily pierced with a fork.
  3. Drain both the potatoes and cauliflower thoroughly to remove excess moisture. This step ensures a creamy mash without watery texture.
  4. Transfer the potatoes and cauliflower to a large bowl. Add garlic, olive oil, sour cream, and ½ cup oat milk. Mash with a potato masher for a rustic texture, or use a hand mixer for a smoother consistency.
  5. Taste and adjust with salt and freshly ground pepper. Scatter chopped chives over the top just before serving.
Nutrition Information:
Yield: 4 Serving Size: 1 cup
Amount Per Serving: Calories: 396Total Fat: 13gSaturated Fat: 6gTrans Fat: 0gUnsaturated Fat: 3gCholesterol: 0mgSodium: 222mgCarbohydrates: 35gFiber: 7gSugar: 8gProtein: 8g

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