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You can grill squash and zucchini easily once you know the right techniques, and they turn out tender with those gorgeous char marks every single time.
If you’ve been wondering how do you grill squash and zucchini without turning them into a mushy mess, you’re in the right place.
Grilling squash and zucchini is one of the simplest and most rewarding ways to cook summer produce.
The high heat gives them a smoky flavor while keeping the inside tender and slightly crisp.
In this post, we’ll walk through exactly how to grill squash and zucchini, from prepping them properly to getting those perfect grill marks.
You’ll also learn a few seasoning tricks and common mistakes to avoid along the way.
Let’s fire up that grill.
How Do You Grill Squash and Zucchini?
Grilling squash and zucchini comes down to a few key steps, and once you nail them, you’ll be doing it all summer long.
Here’s how to make it happen:
1. Choose the Right Squash and Zucchini
Start by picking firm, young squash and zucchini that feel heavy for their size.
Smaller ones, about six to eight inches long, work best because they have fewer seeds and hold up better on the grill.
If your squash or zucchini is oversized, scoop out the seedy center before grilling so it doesn’t turn watery.
Freshness matters here, so grab them from your garden or a local farmers market if you can.
2. Slice Them Correctly
How you cut your squash and zucchini affects how well they grill.
Slice them lengthwise into planks about half an inch thick for the best results.
Lengthwise slices stay firm and don’t fall through the grates as easily as rounds do.
If you prefer rounds, cut them a bit thicker, around three-quarters of an inch, and use a grill basket.
Consistent thickness is the secret to even cooking, so take your time here.
3. Season and Oil Them Well
Brush both sides of your squash and zucchini slices with olive oil before grilling.
This keeps them from sticking and helps the seasonings cling to the surface.
Sprinkle on salt, black pepper, garlic powder, and a pinch of smoked paprika for extra flavor.
You can also add dried herbs like oregano, thyme, or Italian seasoning.
Let the seasoned slices sit for about ten minutes so the flavors settle in.
Best Way to Grill Squash and Zucchini
Knowing how to grill squash and zucchini is one thing, but grilling them the right way makes all the difference.
Follow these grilling tips for the best outcome:
1. Preheat Your Grill Properly
Set your grill to medium-high heat, around 400 to 450 degrees Fahrenheit.
Make sure the grates are clean and lightly oiled before you place anything on them.
A hot grill sears the squash and zucchini quickly, giving you those char marks without overcooking the inside.
Give your grill a good ten to fifteen minutes to heat up fully.
2. Grill Them Cut-Side Down First
Place your squash and zucchini slices cut-side down on the hot grates.
Let them cook undisturbed for three to four minutes so they develop nice grill marks.
Resist the urge to flip them too early, as this can tear the flesh.
Once they release easily from the grates, they’re ready to turn.
3. Flip Once and Finish Cooking
Flip your squash and zucchini slices over and cook for another two to three minutes.
The second side needs less time since most of the cooking happens on the first side.
You want them tender but not falling apart, so keep an eye on them.
Total grill time should be around five to seven minutes depending on thickness.
4. Watch for Doneness Cues
Your grilled squash and zucchini are done when they’re tender with a slight bite.
The flesh should look translucent and the edges slightly charred.
If you can pierce them easily with a fork without them turning to mush, pull them off.
Overcooked squash and zucchini get soggy fast, so timing really matters.
Tips for Grilling Squash and Zucchini Perfectly
A few extra pointers can take your grilled squash and zucchini from good to unforgettable.
Keep these tips in mind next time you grill:
1. Avoid Overcrowding the Grill
Give each slice of squash and zucchini its own space on the grates.
Crowding steams them instead of grilling them, which kills that smoky flavor.
Work in batches if you’re cooking a lot, and keep finished pieces warm in foil.
2. Use a Grill Basket for Small Pieces
If you’re grilling squash and zucchini in rounds or chunks, a grill basket is your best friend.
It keeps everything contained while still giving you that charred exterior.
Just shake the basket occasionally for even cooking on all sides.
3. Add a Finishing Touch After Grilling
Once your squash and zucchini come off the grill, add a squeeze of fresh lemon juice.
A sprinkle of parmesan cheese or fresh herbs like basil and parsley works wonders too.
These finishing touches brighten up the smoky flavor and make the dish pop.
Serve your grilled squash and zucchini warm as a side dish or toss them into pasta and salads.
So, How Do You Grill Squash and Zucchini?
You grill squash and zucchini by slicing them lengthwise, oiling and seasoning them, then cooking them on a hot grill for a few minutes per side.
The key is high heat, minimal flipping, and pulling them off before they get mushy.
With these simple steps, your grilled squash and zucchini will come out tender, smoky, and full of flavor every time.
So grab some fresh squash and zucchini, fire up the grill, and enjoy one of summer’s easiest and tastiest side dishes.