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You can grill zucchini on the grill by slicing it into planks, brushing it with oil, and cooking it over medium-high heat for a few minutes per side.
It’s one of the easiest and most delicious ways to enjoy summer squash.
If you’ve ever wondered how to grill zucchini on the grill without it turning into a soggy, mushy mess, you’re in the right place.
When you grill zucchini on the grill the right way, you get those gorgeous char marks, a slightly smoky flavor, and a tender texture that holds up beautifully.
In this post, we’ll walk through exactly how to grill zucchini on the grill, from picking the right squash to nailing the perfect grill marks.
Let’s fire it up.
How Do You Grill Zucchini on the Grill?
So, how do you grill zucchini on the grill?
You start by choosing firm, medium-sized zucchini, cutting them into even slices or planks, and preheating your grill to medium-high.
The goal when you grill zucchini is to get a nice sear on the outside while keeping the inside tender but not limp.
That balance is what makes grilled zucchini such a crowd-pleaser at cookouts.
Here’s why this method works so well when you grill zucchini on the grill:
1. Zucchini Has a High Water Content
Zucchini is mostly water, which is why it can go from perfectly grilled to mushy in seconds.
When you grill zucchini on the grill, the high heat evaporates some of that moisture quickly, giving you a nice char instead of a soggy slice.
That’s why slicing it thick enough to hold its shape matters so much.
2. It Soaks Up Marinades and Oil Beautifully
Because zucchini is porous, it drinks up olive oil, garlic, herbs, and lemon juice like a sponge.
This is why grilled zucchini tastes so flavorful when you take the time to coat it well before it hits the grates.
A simple brush of oil is really all you need, but a quick marinade takes it up a notch.
3. Grilling Brings Out Natural Sweetness
The high heat of the grill caramelizes the natural sugars in zucchini.
That caramelization is what gives grilled zucchini its slightly sweet, smoky taste that people love.
When you grill zucchini on the grill, you’re not just cooking it, you’re transforming it.
How to Prepare Zucchini for the Grill
Before you grill zucchini on the grill, a little prep goes a long way.
Here are the key steps to get your zucchini grill-ready:
1. Wash and Trim the Zucchini
Rinse your zucchini under cool water and pat it dry.
Slice off both ends, then cut the zucchini lengthwise into planks about half an inch thick.
You can also cut them into rounds or diagonal slices, depending on how you plan to serve them.
2. Brush With Oil and Season
Lightly brush each slice with olive oil so it doesn’t stick to the grill.
Season with salt, pepper, garlic powder, or your favorite seasoning blend.
This step is what makes grilled zucchini so tasty, so don’t skip it.
3. Preheat the Grill to Medium-High Heat
You want your grill hot before the zucchini touches it.
A clean, well-oiled grate at around 400°F is ideal when you grill zucchini on the grill.
This prevents sticking and gives you those beautiful grill marks.
Tips for Grilling Zucchini Perfectly
Once your zucchini hits the grill, a few simple tips make all the difference.
1. Don’t Move It Around Too Much
Place the zucchini on the grill and let it sit for about 3 to 4 minutes.
Moving it too soon prevents those nice char marks from forming.
Just let the heat do its thing.
2. Flip Once and Only Once
After the first side is nicely marked, flip each slice once.
Cook for another 2 to 3 minutes until tender.
When you grill zucchini on the grill, flipping it only once keeps it from falling apart.
3. Watch for Doneness
Grilled zucchini is done when it’s tender but still holds its shape.
It should bend slightly but not turn to mush.
That’s the sweet spot when you grill zucchini on the grill.
4. Add a Finishing Touch
Once off the grill, squeeze fresh lemon juice over the zucchini or sprinkle with parmesan cheese.
A little fresh herbs like basil or parsley also adds a nice pop of color and flavor.
This is the step that makes grilled zucchini taste like restaurant quality.
So, How Do You Grill Zucchini on the Grill?
You grill zucchini on the grill by slicing it into planks, brushing it with oil, and cooking it over medium-high heat for a few minutes per side.
The key is to keep the slices thick enough to hold up, season them well, and let the high heat do the work.
When you grill zucchini on the grill correctly, you end up with a smoky, tender, and flavorful side dish that pairs with just about anything.
Now grab your zucchini and get grilling.