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Gluten-Free Grilled Zucchini

By the Gluten Free Recipes team ·

The smoky char and tender bite of perfectly grilled zucchini, enhanced by a bright, herbaceous lemon-garlic dressing. This vibrant side dish offers a delightful balance of fresh flavors and satisfying textures, making it an ideal accompaniment to any meal.

Medium Gluten-Free Verified gluten free vegetarian
Prep: 15 min Cook: 20 min Total: 35 min Serves: 4

At a glance: This medium salads and sides recipe yields 4 servings in about 35 minutes (15 min prep, 20 min cook). It uses 8 ingredients — including zucchini, extra virgin olive oil, fresh lemon juice — and walks through 5 steps. Updated . Browse more salads and sides recipes or return to all gluten-free recipes.

Gluten-Free Grilled Zucchini — salads and sides recipe, serves 4

Cross-Contamination Warning for Gluten-Free Grilled Zucchini: When preparing this salads and sides recipe, exercise caution with packaged ingredients such as Dijon mustard. Always confirm they are certified gluten-free to prevent accidental exposure to gluten. Prepare this dish on clean surfaces and with clean utensils to avoid cross-contamination In a shared kitchen, avoid porous materials — wooden spoons, wooden cutting boards, and scratched non-stick pans can harbor gluten proteins even after washing. Prefer glass, metal, or silicone tools.

Gluten-Free Notes for Gluten-Free Grilled Zucchini: This recipe is naturally gluten-free, relying on fresh vegetables and simple seasonings. Ensure any packaged ingredients, like Dijon mustard, are certified gluten-free to avoid cross-contamination with gluten-containing grains.

Scale Recipe:
4 servings
Ingredient amounts update automatically

Ingredients

  • 2 medium zucchini, trimmed and sliced lengthwise into 1/2-inch thick planks
  • 2 tbsp extra virgin olive oil
  • 1 tbsp fresh lemon juice
  • 1 tsp Dijon mustard (verify GF)
  • 0.5 tsp salt
  • 0.25 tsp black pepper
  • 1 clove garlic, minced
  • 2 tbsp fresh parsley, chopped (optional garnish)

Instructions

  1. 1

    Prepare the zucchini by slicing it lengthwise into planks about 1/2-inch thick. Pat the zucchini planks dry with paper towels to ensure a good sear on the grill. Arrange the zucchini planks in a single layer on a baking sheet or platter.

  2. 2

    In a small bowl, whisk together the extra virgin olive oil, fresh lemon juice, Dijon mustard, salt, black pepper, and minced garlic until well combined. This creates a vibrant dressing that will infuse the zucchini with flavor.

  3. 3

    Brush both sides of the zucchini planks generously with about half of the prepared lemon-garlic dressing. Reserve the remaining dressing for serving. Allow the zucchini to marinate for about 5-10 minutes while you preheat your grill.

  4. 4

    Preheat your grill to medium-high heat. Carefully place the dressed zucchini planks onto the hot grill grates. Grill for approximately 4-5 minutes per side, or until the zucchini is tender and has distinct grill marks, turning once. Watch closely to prevent burning.

  5. 5

    Once grilled to perfection, remove the zucchini planks from the grill and arrange them on a serving platter. Drizzle the remaining lemon-garlic dressing over the warm zucchini and garnish with fresh chopped parsley, if desired. Serve immediately as a delicious side dish.

Nutrition (per serving)

328
Calories
10g
Protein
30g
Carbs
14g
Fat
4g
Fiber
276mg
Sodium

Tips & Notes

  • If substituting olive oil for butter, use about 3/4 the amount (olive oil is 100% fat, butter is ~80%).
  • Salt grated zucchini, let it sit 10 minutes, then wring dry for even better moisture control.
  • Roll the lemon firmly on the counter before cutting to get significantly more juice.

Learn More

Gluten Free Recipes Team

Celiac-safe recipe development and testing since 2026

Our team develops and tests every recipe to be 100% gluten-free, verifying ingredients, techniques, and cross-contamination risks. We focus on making gluten-free cooking as delicious and accessible as possible. Learn more about us.

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