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You can grill butternut squash by slicing it into planks or wedges, brushing it with oil, and cooking it over medium-high heat until tender and charred.
It’s one of the easiest ways to turn that dense, sweet winter squash into a smoky, caramelized side dish that tastes like fall on a plate.
If you’ve been wondering how to grill butternut squash without it turning mushy or sticking to the grates, the good news is that it’s totally doable with just a few simple tricks.
In this post, we’ll walk through how to grill butternut squash step by step, from choosing the right squash to getting those perfect grill marks every single time.
Let’s fire up the grill.
Why Grilling Butternut Squash Works So Well
Grilling butternut squash works so well because the high, dry heat caramelizes its natural sugars while driving out excess moisture.
That combination gives you a tender interior with those irresistible crispy, smoky edges.
Here’s why this method shines:
1. It Brings Out Natural Sweetness
When you grill butternut squash, the direct heat transforms its starches into sugars.
This is why grilled butternut squash tastes noticeably sweeter and richer than boiled or steamed versions.
Those browned edges are pure flavor.
2. It Adds Smoky Depth
A grill imparts a subtle smokiness you simply can’t get from an oven.
That char complements the squash’s nutty, buttery flavor beautifully.
So if you’ve only ever roasted butternut squash, grilling it is a game changer.
3. It Keeps the Texture Firm
Grilling cooks butternut squash fast enough that it holds its shape.
Instead of turning into a soft, watery mash, you get slices that stay intact and satisfying.
How to Grill Butternut Squash Step by Step
Learning how to grill butternut squash comes down to prep, heat, and timing.
Follow these steps and you’ll nail it.
1. Pick and Prep the Squash
Choose a firm butternut squash that feels heavy for its size.
Peel it, cut off the ends, and scoop out the seeds.
Then slice it into half-inch planks or one-inch wedges so it cooks evenly.
2. Season Generously
Toss your slices with olive oil, salt, and pepper.
You can also add smoked paprika, garlic powder, or a drizzle of maple syrup.
This is the moment to build flavor before the squash hits the grill.
3. Preheat and Oil the Grates
Get your grill to medium-high heat, around 400°F.
Clean the grates and brush them with oil so your butternut squash doesn’t stick.
This small step saves you a lot of frustration.
4. Grill Each Side
Lay the slices on the grill and close the lid.
Cook for about 4 to 5 minutes per side until you see clear grill marks.
Flip gently with tongs and let the second side char.
5. Check for Tenderness
Your grilled butternut squash is ready when a fork slides in easily.
It should be tender but not falling apart.
Total cook time is usually 10 to 12 minutes.
Tips for Perfect Grilled Butternut Squash
A few smart moves make grilling butternut squash even better.
1. Cut It Evenly
Uniform slices cook at the same rate, so nothing burns while the rest stays raw.
Aim for pieces that are the same thickness.
2. Don’t Overcrowd the Grill
Give each piece space so the heat circulates and the edges crisp.
Crowding steams the squash instead of grilling it.
3. Use a Grill Basket for Small Pieces
If your butternut squash cubes are small, a grill basket keeps them from slipping through the grates.
It’s a handy tool for this exact job.
4. Finish With a Glaze or Herbs
Once off the grill, brush grilled butternut squash with honey, balsamic, or a sprinkle of fresh thyme.
It’s the perfect final touch.
So, How Do You Grill Butternut Squash?
You grill butternut squash by slicing it, oiling it, and cooking it over medium-high heat until tender and caramelized.
It’s simple, fast, and packed with smoky flavor.
Whether you serve it as a side or toss it into salads and grain bowls, grilled butternut squash is bound to become a favorite.
So grab a squash and get grilling.