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You can grill winter squash right on your barbecue grates, and it turns out sweet, smoky, and tender every single time.
If you’ve been wondering how to grill winter squash without it turning mushy or sticking to the grill, you’re in the right place.
Grilling winter squash is one of the easiest ways to bring out its natural caramelized flavor.
It works with butternut, acorn, delicata, kabocha, and just about any winter squash you can find at the market.
In this post, we’ll walk through how to grill winter squash step by step, plus the prep tricks and seasonings that make it taste amazing.
Let’s fire up that grill.
Why Grilling Winter Squash Works So Well
Grilling winter squash is a fantastic cooking method, and here’s why it works so well:
1. The High Heat Caramelizes the Natural Sugars
Winter squash is packed with natural sugars, and when those sugars hit a hot grill, they caramelize beautifully.
That caramelization is what gives grilled winter squash its deep, sweet, slightly smoky flavor.
It’s the same magic that happens when you roast vegetables, but the grill adds an extra char you just can’t get in the oven.
2. The Firm Flesh Holds Up on the Grates
Unlike softer summer squash, winter squash has dense, firm flesh that holds its shape during grilling.
That means you can grill winter squash directly on the grates without it falling apart.
This firm texture is exactly why grilling winter squash is such a reliable method.
3. Smoke Adds a Savory Layer
When you grill winter squash over charcoal or wood chips, the smoke infuses the flesh with a subtle savory note.
That smoky flavor balances the sweetness of the squash perfectly.
So if you’ve never grilled winter squash before, you’re in for a real treat.
How to Grill Winter Squash: Step by Step
Learning how to grill winter squash comes down to a few simple steps.
1. Choose the Right Squash
Butternut, acorn, delicata, and kabocha are all excellent choices for grilling.
Delicata is especially great because its skin is thin enough to eat, so you don’t even need to peel it.
Butternut and acorn have thicker skins, so peeling is optional depending on your preference.
2. Cut It Into Even Pieces
Start by cutting your winter squash in half lengthwise, then scoop out the seeds.
From there, slice it into wedges or planks about half an inch to one inch thick.
Even pieces are key because they cook at the same rate, so nothing ends up burnt or raw.
3. Toss With Oil and Seasonings
Brush or toss your squash pieces with a neutral oil like avocado or grapeseed oil.
Oil helps the squash release from the grates and encourages browning.
Then season generously with salt, black pepper, and any spices you love, like smoked paprika, garlic powder, or cinnamon.
4. Preheat the Grill to Medium-High Heat
You want your grill hot and clean before the squash goes on.
Aim for medium-high heat, around 400 to 450 degrees Fahrenheit.
If you’re using a gas grill, close the lid and let it heat up for at least ten minutes.
5. Grill Each Side for 5 to 7 Minutes
Place the squash pieces directly on the grates and close the lid.
Grill for about five to seven minutes per side, flipping once with tongs.
You’ll know your grilled winter squash is done when it’s tender and easily pierced with a fork.
Tips for the Best Grilled Winter Squash
A few extra tips will help you grill winter squash like a pro.
1. Don’t Move It Too Soon
Resist the urge to flip your squash right after it hits the grill.
Give it time to develop those grill marks and release naturally from the grates.
If it sticks, it’s not ready to flip yet.
2. Use a Grill Basket for Small Pieces
If you cut your squash into smaller cubes or slices, use a grill basket.
This keeps the pieces from slipping through the grates while still giving you that charred flavor.
It’s a game changer when you grill winter squash in bite-sized pieces.
3. Brush With a Glaze at the End
For extra flavor, brush your squash with a maple syrup, balsamic, or honey glaze during the last minute of grilling.
Do this at the end so the sugars don’t burn.
The glaze turns ordinary grilled winter squash into something unforgettable.
4. Finish With Fresh Herbs and Citrus
Once your squash comes off the grill, finish it with chopped thyme, rosemary, or a squeeze of lemon juice.
The freshness cuts through the smoky sweetness beautifully.
This simple finishing touch makes your grilled winter squash taste restaurant-worthy.
So, How Do You Grill Winter Squash?
You grill winter squash by slicing it into even pieces, tossing it with oil and seasonings, and cooking it on a preheated grill for about five to seven minutes per side.
The high heat caramelizes the natural sugars while the grill marks add a smoky depth you can’t get any other way.
So whether you’re working with butternut, acorn, or delicata, you now know exactly how to grill winter squash perfectly every time.
Fire up the grill and enjoy.