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Home » Recipe Index » How to Grill Zucchini

How to Grill Zucchini

July 29, 2025 by Daleyza

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This post can teach you How to Grill Zucchini for a tasty low-carb side dish all summer long, and I bet your family will love this perfect zucchini that’s so easy to cook on the grill! Grilled zucchini is not only delicious but also versatile, making it an ideal addition to any meal or gathering. Whether you’re hosting a barbecue or looking for a quick weeknight side, this grilled zucchini recipe has you covered.

Why You’ll Love This Recipe

  • Quick and Easy: This recipe takes just 25 minutes from start to finish, making it perfect for busy days.
  • Healthy and Low-Carb: With only 3.9 grams of carbs per serving, it’s a great choice for low-carb diets.
  • Flavorful: The combination of vinaigrette and garlic powder infuses the zucchini with delicious flavor.
  • Versatile: Serve it as a side dish, toss it in salads, or enjoy it cold for lunch!
  • Family-Friendly: Kids love the smoky flavor and tender texture, making it a hit for everyone at the table.

Tools and Preparation

Having the right tools makes grilling zucchini easier and more enjoyable. Here’s what you’ll need to get started.

Essential Tools and Equipment

  • Grill
  • Mandoline slicer (or knife)
  • Ziploc bag
  • Colander
  • Spray bottle (for taming flames)

Importance of Each Tool

  • Grill: Essential for achieving those beautiful grill marks and smoky flavor.
  • Mandoline slicer: Ensures even slices for consistent cooking.
  • Ziploc bag: Perfect for marinating the zucchini without mess.
  • Colander: Helps drain excess marinade before grilling.

Ingredients

For the Grilled Zucchini

  • 2 zucchini (see notes)
  • 1/2 cup low-sugar vinaigrette (see notes)
  • 1 tsp. garlic powder (see notes)
  • 1 – 2 tsp. dried herbs (optional)

For Garnish

  • 2 tablespoons fresh parsley, finely chopped
How

How to Make How to Grill Zucchini

Step 1: Prepare the Zucchini

  1. Cut zucchini into slices, making sure the slices are the same thickness. A mandoline slicer works best, but a knife will also do.

Step 2: Make the Marinade

  1. Combine the salad dressing with garlic powder and dried herbs if using. Both options are tasty!

Step 3: Marinate the Zucchini

  1. Place zucchini slices in a Ziploc bag.
  2. Pour in marinade and let zucchini marinate in the fridge for at least 4 hours, or up to all day.

Step 4: Preheat the Grill

  1. When ready to cook, drain zucchini into a colander over the sink.
  2. Preheat grill to medium-high heat.

Step 5: Grill the Zucchini

  1. Optionally spray grill with non-stick spray if needed.
  2. Place zucchini on grill diagonally to grates.
  3. Keep a spray bottle handy for any flames that may flare up.

Step 6: Check for Doneness

  1. After about 3-4 minutes, check for grill marks and rotate zucchini in the opposite direction.
  2. Cook for an additional 3-4 minutes after rotating.

Step 7: Finish Cooking

  1. Turn zucchini to cook on the second side until slightly charred and softened—about 10-12 minutes total cooking time is ideal.

Step 8: Season and Serve

  1. Season with salt and fresh ground black pepper if desired.
  2. Serve hot off the grill or enjoy cold in salads!

How to Serve How to Grill Zucchini

Grilled zucchini is a versatile side dish that enhances any meal. Its smoky flavor and tender texture make it a delightful addition to various cuisines. Here are some serving suggestions to elevate your dining experience.

As a Side Dish

  • Pair with grilled chicken for a balanced meal. The zucchini complements the protein perfectly.
  • Serve alongside steak for a hearty dinner. The contrasting flavors of meat and vegetable create a satisfying plate.

In Salads

  • Add cold grilled zucchini to mixed greens for a refreshing salad. It brings a unique smoky element.
  • Toss with quinoa and feta for a Mediterranean-inspired dish. This combination is both nutritious and filling.

On Sandwiches

  • Layer in veggie sandwiches for added crunch. Grilled zucchini adds depth to your favorite sandwich fillings.
  • Use as a topping on burgers for extra flavor. It’s an easy way to incorporate vegetables into your meal.

How to Perfect How to Grill Zucchini

Grilling zucchini can be simple, but there are ways to enhance your technique. Here are some tips for perfect grilled zucchini every time.

  • Cut evenly: Make sure your zucchini slices are of uniform thickness. This ensures even cooking and beautiful grill marks.
  • Use marinade wisely: Marinating adds flavor, but don’t overdo it. A few hours is enough for tasty results without overpowering the natural taste.
  • Watch the grill temperature: Preheat your grill properly. Medium-high heat helps achieve that perfect char without burning.
  • Rotate carefully: Turn the zucchini slices halfway through cooking. This technique helps develop those sought-after grill marks on both sides.
  • Season at the end: Adding salt and pepper after grilling prevents moisture loss during cooking, ensuring juicy bites.
  • Serve immediately: Grilled zucchini is best enjoyed hot off the grill, so serve it right away for optimal flavor.
How

Best Side Dishes for How to Grill Zucchini

Grilled zucchini pairs well with many side dishes, making it an ideal complement for summer meals. Here are some fantastic suggestions to consider.

  1. Garlic Bread: A crunchy and buttery side that enhances any Italian-themed meal.
  2. Coleslaw: Cool and crunchy, coleslaw provides a refreshing contrast to warm grilled zucchini.
  3. Potato Salad: Creamy potato salad balances the lightness of grilled vegetables beautifully.
  4. Corn on the Cob: Sweet corn adds a burst of flavor that pairs perfectly with smoky grilled dishes.
  5. Rice Pilaf: Fluffy rice pilaf makes an excellent base, adding heartiness without overpowering other flavors.
  6. Caprese Salad: Fresh tomatoes and mozzarella bring brightness that complements the grilled taste of zucchini.
  7. Pasta Salad: A cold pasta salad can provide variety and texture alongside your delicious grilled zucchini.
  8. Baked Beans: Sweet baked beans add depth and richness to your meal, creating an inviting combination with grilled veggies.

Common Mistakes to Avoid

Grilling zucchini can be simple, but common mistakes can ruin your dish. Here are some pitfalls to avoid for perfect grilled zucchini.

  • Skipping the Marinade: Not marinating your zucchini can lead to bland flavors. Make sure to let the zucchini soak in the vinaigrette and spices for at least 4 hours to enhance its taste.
  • Inconsistent Slice Thickness: Cutting zucchini into uneven slices results in uneven cooking. Use a mandoline slicer or a sharp knife to ensure uniform thickness so they cook evenly on the grill.
  • Overcrowding the Grill: Placing too many zucchini slices on the grill can trap steam and prevent proper charring. Grill in batches, allowing space between each slice for optimal grilling.
  • Neglecting Grill Preheating: Failing to preheat the grill can lead to sticking and uneven cooking. Preheat your grill to medium-high heat for about 10-15 minutes before adding the zucchini.
  • Ignoring Flipping Times: Waiting too long or flipping too often can affect grill marks and texture. Check after 3-4 minutes for grill marks, then rotate them for even cooking.
  • Serving Cold Zucchini: Grilled zucchini is best served hot off the grill. If you have leftovers, consider reheating them instead of serving them cold for a better flavor experience.

Refrigerator Storage

  • Store grilled zucchini in an airtight container.
  • It will last up to 3-5 days in the refrigerator.
  • Ensure it’s completely cooled before sealing to prevent condensation.

Freezing How to Grill Zucchini

  • Place cooled grilled zucchini slices in a single layer on a baking sheet.
  • Once frozen, transfer them to a freezer-safe bag or container.
  • Grilled zucchini can be frozen for up to 2 months.

Reheating How to Grill Zucchini

  • Oven: Preheat your oven to 350°F (175°C) and place zucchini on a baking sheet. Heat for about 10-15 minutes until warmed through.
  • Microwave: Place zucchini on a microwave-safe plate and cover with a damp paper towel. Heat in short bursts of 30 seconds until warmed to your liking.
  • Stovetop: Heat a skillet over medium heat and add a splash of olive oil. Sauté zucchini slices for about 3-5 minutes until heated thoroughly.
How

Frequently Asked Questions

How long does it take to grill zucchini?

Grilling zucchini typically takes around 10-12 minutes total, depending on thickness and desired tenderness.

Can you grill whole zucchinis?

While you can grill whole zucchinis, slicing them allows for more even cooking and better flavor absorption from the marinade.

What is the best way to season grilled zucchini?

Using a low-sugar vinaigrette combined with garlic powder and herbs gives great flavor without overpowering the natural taste of the zucchini.

How do I know when my grilled zucchini is done?

Zucchini is done when it is tender but still has some crunch, with visible char marks on both sides.

Can I use other vegetables with this recipe?

Absolutely! This marinade works well with other summer vegetables like bell peppers, eggplant, or squash for varied tastes.

Final Thoughts

Grilling zucchini is not only easy but also offers a delicious low-carb side dish that pairs perfectly with many meals. You can customize this recipe by experimenting with different marinades or seasonings based on your preferences. Don’t hesitate to try it out; your family will enjoy this flavorful addition all summer long!

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Grilled Zucchini

How to Grill Zucchini
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Grilled zucchini is a delicious, low-carb side dish that’s perfect for summer. This easy recipe takes just 25 minutes to prepare and cook, making it an ideal choice for busy weeknights or casual barbecues. With a smoky flavor enhanced by a simple marinade of vinaigrette and garlic powder, this versatile vegetable can be served hot off the grill as a side dish, tossed in salads, or enjoyed cold for lunch. Kids will love its tender texture, ensuring everyone at the table will enjoy this delightful dish.

  • Author: Daleyza
  • Prep Time: 15 minutes
  • Cook Time: 10 minutes
  • Total Time: 25 minutes
  • Yield: Serves approximately 4
  • Category: Side Dish
  • Method: Grilling
  • Cuisine: American

Ingredients

Scale
  • 2 medium zucchini
  • 1/2 cup low-sugar vinaigrette
  • 1 tsp garlic powder
  • 2 tbsp fresh parsley (for garnish)

Instructions

  1. Slice zucchini into even rounds using a mandoline or knife.
  2. In a bowl, mix vinaigrette and garlic powder.
  3. Place zucchini slices in a Ziploc bag and pour marinade over them; refrigerate for at least 4 hours.
  4. Preheat grill to medium-high heat; drain zucchini from marinade.
  5. Grill zucchini for about 10-12 minutes, rotating halfway through until charred and tender.
  6. Season with salt and pepper before serving.

Nutrition

  • Serving Size: 1 serving
  • Calories: 50
  • Sugar: 3g
  • Sodium: 250mg
  • Fat: 3g
  • Saturated Fat: 0g
  • Unsaturated Fat: 2.5g
  • Trans Fat: 0g
  • Carbohydrates: 7g
  • Fiber: 2g
  • Protein: 2g
  • Cholesterol: 0mg

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