How To Make Butternut Squash Mashed Potatoes

Butternut squash mashed potatoes are a creamy, flavorful twist on classic mashed potatoes, and they’re surprisingly easy to make at home.
 
You basically roast or boil butternut squash until tender, then mash it together with cooked potatoes, butter, and a little cream or milk.
 
The result is a naturally sweet, velvety side dish that pairs beautifully with roast chicken, turkey, or even a cozy weeknight steak.
 
If you’ve been wondering how to make butternut squash mashed potatoes that taste rich and smooth instead of watery or bland, you’re in the right place.
 
In this post, we’ll walk through how to make butternut squash mashed potatoes step by step, plus tips for getting the best texture and flavor every single time.
 
Let’s get cooking.
 

How to Make Butternut Squash Mashed Potatoes

To make butternut squash mashed potatoes, you’ll need just a handful of simple ingredients and a little patience while everything cooks.
 
The method itself is straightforward, and once you know how to make butternut squash mashed potatoes, you can tweak the seasonings to suit any meal.
 
Here’s what you’ll need and how the whole process comes together.
 

1. Gather Your Ingredients

For a batch of butternut squash mashed potatoes, grab one medium butternut squash (about 2 pounds), 2 pounds of Yukon Gold or Russet potatoes, 4 tablespoons of butter, and 1/2 cup of warm milk or heavy cream.
 
You’ll also want salt, black pepper, and optional additions like garlic powder, nutmeg, or fresh thyme.
 
Yukon Golds work especially well for butternut squash mashed potatoes because they’re naturally buttery and less starchy than Russets.
 

2. Cook the Butternut Squash

You can roast or boil the squash for butternut squash mashed potatoes, and both methods work great.
 
To roast, cut the squash in half, scoop out the seeds, drizzle with olive oil, and bake at 400°F for about 40 minutes until fork-tender.
 
Roasting brings out a deeper, caramelized sweetness that makes butternut squash mashed potatoes taste almost dessert-like.
 
If you’re short on time, peel and cube the squash, then boil it in salted water for 15 to 20 minutes until soft.
 

3. Boil the Potatoes

While the squash cooks, peel and cube your potatoes, then place them in a large pot and cover with cold, salted water.
 
Bring everything to a boil and simmer for about 15 minutes, until a fork slides in easily.
 
Drain the potatoes well and let them sit in the colander for a minute so excess steam escapes.
 
That quick steam release is a small step that keeps your butternut squash mashed potatoes from turning gluey.
 

4. Mash Everything Together

Add the cooked potatoes and roasted or boiled squash to a large bowl, then mash with a potato masher or ricer.
 
For the smoothest butternut squash mashed potatoes, a ricer or food mill gives you a silky texture without overworking the starches.
 
Warm the butter and milk together, then fold them into the mash until everything is creamy and combined.
 
Season with salt and pepper, taste, and adjust until your butternut squash mashed potatoes taste just right.
 

Tips for Creamy Butternut Squash Mashed Potatoes

A few small tricks make a big difference when you’re learning how to make butternut squash mashed potatoes.
 
Keep these tips in mind so your dish turns out smooth, rich, and full of flavor every time.
 

1. Dry the Squash Well

Butternut squash holds a lot of water, and excess moisture is the number one reason butternut squash mashed potatoes turn out soupy.
 
After roasting, let the squash cool slightly, then blot it with paper towels or spread it on a tray in the warm oven for a few minutes.
 
Drier squash means thicker, creamier butternut squash mashed potatoes without any extra effort.
 

2. Warm Your Dairy

Cold milk or cream can make mashed potatoes seize up and turn gummy.
 
Warm the milk and butter gently before adding them to your butternut squash mashed potatoes.
 
This keeps the mixture smooth and helps everything blend into a creamy, cohesive texture.
 

3. Season with Warm Spices

A pinch of nutmeg, cinnamon, or even a little smoked paprika complements the natural sweetness of butternut squash mashed potatoes.
 
Fresh herbs like sage, thyme, or rosemary also work beautifully, especially if you’re serving this dish alongside roasted meat.
 
Just add a little at a time, taste as you go, and let the squash flavor stay the star.
 

4. Don’t Over-Mash

Overworking potatoes releases starch, which turns butternut squash mashed potatoes gluey instead of fluffy.
 
Use a ricer or mash gently by hand, and stop as soon as everything comes together.
 
A few small lumps are totally fine and often taste better than a perfectly smooth, pasty mash.
 

Variations and Serving Ideas

Once you know how to make butternut squash mashed potatoes, you can start playing with different flavors.
 
Try swapping the milk for coconut milk and adding a pinch of curry powder for a cozy, warming version.
 
For a richer take, fold in a little cream cheese, sour cream, or grated parmesan.
 
Brown butter and crispy sage leaves make an elegant topping for butternut squash mashed potatoes at holiday dinners.
 
You can also add roasted garlic, caramelized onions, or a drizzle of maple syrup for extra depth.
 
Serve your butternut squash mashed potatoes alongside roast turkey, baked chicken, pork chops, or even a simple green salad for a lighter meal.
 
They also reheat well, so making a big batch ahead of time is a smart move for busy weeks.
 

So, How Do You Make Butternut Squash Mashed Potatoes?

To make butternut squash mashed potatoes, simply cook the squash until tender, boil your potatoes, then mash everything together with warm butter and milk.
 
The key is keeping the squash dry, warming your dairy, and seasoning gently so the natural sweetness shines through.
 
Whether you roast, boil, or add your own favorite spices, butternut squash mashed potatoes are a comforting, colorful side dish that’s sure to become a regular in your kitchen.
 
Give this recipe a try this week and enjoy every creamy, savory bite.