Garlic Herb Grilled Zucchini

Featured in: Warm Everyday Plates

This summer side highlights zucchini grilled to tender perfection, brushed with a marinade of olive oil, garlic, lemon, and vibrant fresh herbs like parsley, basil, and thyme. The zucchini slices absorb the bright flavors during a quick marinating step before being grilled over medium-high heat, developing appetizing grill marks and smoky flavor. Serve warm or at room temperature to complement Mediterranean-inspired meals or barbecues. Variations include adding Parmesan or balsamic glaze for extra richness, or swapping herbs to taste.

Updated on Mon, 22 Dec 2025 13:33:00 GMT
Tender, grilled Garlic Herb Zucchini glistening with olive oil and fresh herbs; a perfect summer side. Save
Tender, grilled Garlic Herb Zucchini glistening with olive oil and fresh herbs; a perfect summer side. | saffronhollow.com

Last June, I stood barefoot in the grass watching smoke curl off the grill, a bowl of glistening zucchini in my hands. My neighbor leaned over the fence and asked what smelled so good. I told her it was just zucchini, and she laughed like I was joking. Five minutes later, she was reaching over with a fork. That's when I realized this dish doesn't need an explanation, it just needs to hit the grill.

I made this for a family cookout once, mostly because I had too much zucchini and not enough time. My cousin, who usually skips vegetables entirely, came back for seconds. She didn't say much, just nodded and kept eating. Later, she texted me for the recipe. I've been making it ever since, and it's become the thing people ask me to bring.

Ingredients

  • Zucchini: Medium-sized ones are ideal because they hold up on the grill without turning mushy, and slicing them lengthwise gives you those beautiful char marks that make everything taste better.
  • Olive oil: This is what carries the garlic and herbs into every bite, and it keeps the zucchini from sticking to the grill grates.
  • Garlic cloves: Fresh garlic gives you that punchy, warm flavor that dried just can't match, mincing it fine means it spreads evenly and doesn't burn.
  • Fresh parsley: It adds a bright, grassy note that balances the richness of the oil and the smokiness from the grill.
  • Fresh basil: Sweet and aromatic, basil brings a softness that makes the whole dish feel summery and alive.
  • Fresh thyme: A little thyme goes a long way, it adds an earthy, almost floral layer that ties everything together.
  • Salt and black pepper: These wake up the natural flavor of the zucchini and let the herbs shine without overpowering them.
  • Lemon juice: A squeeze of lemon at the end cuts through the oil and adds a brightness that makes every bite feel lighter.

Instructions

Make the marinade:
In a large bowl, whisk together the olive oil, minced garlic, parsley, basil, thyme, salt, pepper, and lemon juice until everything smells fragrant and looks glossy. This is where all the flavor starts, so don't rush it.
Coat the zucchini:
Add the zucchini slices to the bowl and toss them gently with your hands or tongs until every piece is coated. Let them sit for 5 to 10 minutes so the garlic and herbs can soak in.
Preheat the grill:
Get your grill or grill pan nice and hot over medium-high heat. You want it hot enough to sear but not so hot that the zucchini burns before it softens.
Grill the zucchini:
Lay the zucchini slices on the grill and let them cook for 3 to 4 minutes without moving them, then flip and cook the other side until you see those dark grill marks and the flesh turns tender. The edges should be golden and slightly caramelized.
Serve:
Transfer the grilled zucchini to a serving platter and sprinkle with extra herbs if you have them. Serve it warm right off the grill or let it come to room temperature, it's delicious either way.
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There's a photo on my phone from a summer dinner on the patio, plates scattered across the table, candles half melted, and this zucchini piled high in the center. Nobody said much while they ate, just the sound of forks and the hum of crickets. That's when I knew this recipe wasn't just good, it was the kind of thing that makes people slow down.

How to Get Perfect Grill Marks

The secret is patience and heat. Let the grill get fully hot before you lay the zucchini down, and once they're on, don't touch them. Moving them too soon will tear the flesh and ruin the sear. After 3 minutes, they should lift easily and show those dark, even lines. If they stick, give them another 30 seconds. The char is where the flavor lives, so don't be afraid of a little color.

What to Do with Leftovers

I've chopped cold grilled zucchini and tossed it into pasta with olive oil and Parmesan, and it was better than I expected. You can also layer it into sandwiches, fold it into omelets, or pile it on toast with ricotta and a drizzle of honey. It keeps in the fridge for up to three days, and honestly, the flavors get even better as it sits. Sometimes I eat it straight from the container while standing at the counter.

Simple Ways to Switch It Up

This marinade is forgiving, so feel free to swap the herbs based on what you have. Oregano and mint both work beautifully, and a pinch of red pepper flakes adds a gentle kick. If you want something richer, grate a little Parmesan over the top right before serving, or finish with a drizzle of balsamic glaze for a sweet, tangy edge. Yellow squash and eggplant both take to this treatment just as well, so use whatever looks good at the market.

  • Try sprinkling crumbled feta or goat cheese over the warm zucchini for a creamy, tangy finish.
  • A handful of toasted pine nuts or slivered almonds adds crunch and makes it feel more substantial.
  • If you don't have a grill, a cast iron skillet over high heat will give you similar results with a little extra attention.
Golden-brown Garlic Herb Grilled Zucchini slices are arranged artfully, ready to be served on a platter. Save
Golden-brown Garlic Herb Grilled Zucchini slices are arranged artfully, ready to be served on a platter. | saffronhollow.com

This is the kind of recipe that makes summer feel easy, no fuss, no stress, just good vegetables and a hot grill. Keep it simple, and it'll become something you reach for all season long.

Recipe FAQs

How do I achieve tender grilled zucchini?

Slice zucchini lengthwise about 1/2 inch thick and marinate with olive oil, garlic, lemon juice, and herbs. Grill over medium-high heat for 3-4 minutes per side until tender and marked.

Can I substitute other vegetables for zucchini?

Yes, yellow squash or eggplant can be used with similar marinade and grilling times for a tasty variation.

What herbs work best with grilled zucchini?

Fresh parsley, basil, and thyme create a balanced, fragrant blend, but oregano or mint can be swapped in according to preference.

Is this dish suitable for special diets?

It is naturally vegetarian, gluten-free, and low carb, making it a versatile choice for many dietary needs.

Any tips for enhancing flavor before serving?

Sprinkling grated Parmesan or drizzling balsamic glaze just before serving adds depth and a touch of richness.

Garlic Herb Grilled Zucchini

Tender grilled zucchini tossed with garlic and fresh herbs, a flavorful and light summer side dish.

Prep Time
10 min
Time to Cook
10 min
Overall Time
20 min
Recipe by Mira Dalton

Recipe Type Warm Everyday Plates

Skill Level Easy

Cuisine Type Mediterranean

Makes 4 Portions

Dietary Details Plant-Based, No Dairy, No Gluten, Reduced Carb

What You Need

Vegetables

01 4 medium zucchini, sliced lengthwise into 1/2-inch-thick strips

Marinade

01 2 tablespoons olive oil
02 2 garlic cloves, minced
03 1 tablespoon fresh parsley, finely chopped
04 1 tablespoon fresh basil, finely chopped
05 1 teaspoon fresh thyme leaves, chopped
06 1/2 teaspoon salt
07 1/4 teaspoon freshly ground black pepper
08 Juice of 1/2 lemon

How to Make It

Step 01

Prepare Marinade: In a large bowl, whisk together olive oil, minced garlic, parsley, basil, thyme, salt, pepper, and lemon juice.

Step 02

Marinate Zucchini: Add the zucchini slices to the bowl and toss to coat evenly. Let marinate for 5 to 10 minutes.

Step 03

Preheat Grill: Preheat a grill or grill pan over medium-high heat.

Step 04

Grill Zucchini: Grill the zucchini slices for 3 to 4 minutes per side, until tender and grill marks appear.

Step 05

Serve: Transfer to a serving platter, garnish with extra herbs if desired, and serve warm or at room temperature.

Equipment Needed

  • Grill or grill pan
  • Large bowl
  • Tongs
  • Knife and cutting board

Allergy Notice

Review every item for potential allergens, and reach out to a provider with any uncertainty.
  • Contains no major allergens. Verify labels if using store-bought spice blends for hidden allergens.

Nutrition Stats (per portion)

Details here are for general advice—always consult a health expert for specific needs.
  • Energy: 75
  • Fats: 5 g
  • Carbohydrates: 6 g
  • Proteins: 2 g