Experience the vibrant flavors of Thailand with this delightful Thai grilled vegetables recipe. Perfect for a summer barbecue or a healthy weeknight dinner, these vegetables are marinated in a zesty blend of olive oil, soy sauce, lime juice, garlic, ginger, and chili flakes before being grilled to perfection.
While most of the ingredients in this recipe are common pantry staples, you might need to pick up fresh ginger and lime juice if you don't already have them. Fresh ginger adds a unique, aromatic flavor that ground ginger can't replicate, and fresh lime juice provides a bright, tangy contrast to the savory marinade.

Ingredients for Thai Grilled Vegetables Recipe
Bell peppers: These colorful vegetables add sweetness and a slight crunch to the dish.
Zucchini: A mild-flavored vegetable that grills beautifully, becoming tender and slightly smoky.
Red onion: Adds a sharp, sweet flavor that mellows out when grilled.
Olive oil: Helps to coat the vegetables and prevents them from sticking to the grill.
Soy sauce: Adds a salty, umami flavor to the marinade.
Lime juice: Provides a fresh, tangy contrast to the savory elements.
Garlic: Adds a pungent, aromatic flavor to the marinade.
Ginger: Offers a warm, spicy note that complements the other ingredients.
Chili flakes: Adds a bit of heat to the dish, balancing the sweetness of the vegetables.
Technique Tip for This Recipe
When preparing bell peppers, zucchini, and red onion for grilling, make sure to slice them uniformly. This ensures even cooking and prevents some pieces from burning while others remain undercooked. Additionally, marinate the vegetables for at least 15 minutes to allow the olive oil, soy sauce, lime juice, garlic, ginger, and chili flakes to infuse their flavors deeply into the vegetables.
Suggested Side Dishes
Alternative Ingredients
sliced bell peppers - Substitute with sliced carrots: Carrots provide a similar crunch and sweetness when grilled.
sliced zucchini - Substitute with sliced eggplant: Eggplant has a similar texture and absorbs flavors well.
sliced red onion - Substitute with sliced shallots: Shallots offer a milder, sweeter flavor that complements grilled dishes.
olive oil - Substitute with coconut oil: Coconut oil adds a subtle tropical flavor that pairs well with Thai cuisine.
soy sauce - Substitute with tamari: Tamari is a gluten-free alternative that provides a similar umami flavor.
fresh lime juice - Substitute with lemon juice: Lemon juice offers a similar acidity and brightness to the dish.
minced garlic - Substitute with garlic powder: Garlic powder can be used in a pinch, though it has a slightly different flavor profile.
minced ginger - Substitute with ground ginger: Ground ginger provides a similar warmth and spiciness, though it is more concentrated.
chili flakes - Substitute with sriracha: Sriracha adds heat and a bit of sweetness, enhancing the Thai flavors.
Other Alternative Recipes Similar to This Dish
How to Store or Freeze This Dish
Allow the grilled vegetables to cool completely before storing. This prevents condensation, which can make the vegetables soggy.
Transfer the cooled vegetables to an airtight container. Use a container that is just the right size to minimize air exposure, which can affect the texture and flavor.
Store the container in the refrigerator if you plan to consume the grilled vegetables within 3-4 days. This keeps them fresh and maintains their flavor.
For longer storage, consider freezing the vegetables. Place them in a single layer on a baking sheet lined with parchment paper and freeze until solid. This prevents them from sticking together.
Once frozen, transfer the vegetables to a freezer-safe bag or container. Label with the date to keep track of their freshness. They can be stored in the freezer for up to 3 months.
When ready to use, thaw the vegetables in the refrigerator overnight. For a quicker option, you can use the defrost setting on your microwave.
Reheat the grilled vegetables in a skillet over medium heat, or in the oven at 350°F (175°C) until heated through. Avoid using the microwave for reheating, as it can make the vegetables mushy.
To refresh the flavors, consider adding a splash of lime juice or a drizzle of soy sauce before serving. This can revive the taste and give the vegetables a fresh, vibrant flavor.
How to Reheat Leftovers
Oven Method: Preheat your oven to 350°F (175°C). Spread the grilled vegetables on a baking sheet in a single layer. Cover with aluminum foil to retain moisture. Heat for about 10-15 minutes until they are warmed through.
Stovetop Method: Heat a non-stick skillet over medium heat. Add a small amount of olive oil or soy sauce to the pan. Toss in the vegetables and stir occasionally for about 5-7 minutes until they are heated evenly.
Microwave Method: Place the vegetables in a microwave-safe dish. Cover with a microwave-safe lid or plastic wrap, leaving a small vent for steam to escape. Microwave on high for 1-2 minutes, stirring halfway through to ensure even heating.
Grill Reheat: Preheat your grill to medium heat. Place the vegetables on a piece of aluminum foil or a grill basket. Grill for about 5 minutes, turning occasionally, until they are warmed through and have regained some of their charred flavor.
Air Fryer Method: Preheat your air fryer to 350°F (175°C). Place the vegetables in the air fryer basket in a single layer. Heat for about 5-7 minutes, shaking the basket halfway through to ensure even reheating.
Best Tools for This Recipe
Grill: Used to cook the vegetables, providing a smoky flavor and char marks.
Large bowl: Used to mix the marinade and coat the vegetables evenly.
Tongs: Essential for turning the vegetables on the grill to ensure even cooking.
Measuring spoons: Used to measure out the olive oil, soy sauce, lime juice, garlic, ginger, and chili flakes accurately.
Cutting board: Provides a surface to slice the bell peppers, zucchini, and red onion.
Chef's knife: Used to slice the vegetables into the desired sizes.
Basting brush: Optional, but can be used to apply extra marinade to the vegetables while they are grilling.
Serving platter: Used to serve the grilled vegetables once they are cooked.
How to Save Time on Making This Recipe
Prep ingredients ahead: Slice the bell peppers, zucchini, and red onion the night before and store them in the fridge.
Use a grill basket: A grill basket keeps the vegetables from falling through the grates and allows for easy turning.
Marinate in a bag: Combine the olive oil, soy sauce, lime juice, garlic, ginger, and chili flakes in a ziplock bag, then add the vegetables and shake to coat.
Preheat the grill: Ensure the grill is hot and ready before you start cooking to reduce waiting time.

Thai Grilled Vegetables
Ingredients
Vegetables
- 2 cups Bell Peppers sliced
- 2 cups Zucchini sliced
- 1 cup Red Onion sliced
- 2 tablespoon Olive Oil
- 2 tablespoon Soy Sauce
- 1 tablespoon Lime Juice fresh
- 1 teaspoon Garlic minced
- 1 teaspoon Ginger minced
- 1 teaspoon Chili Flakes
Instructions
- Preheat the grill to medium-high heat.
- In a large bowl, mix olive oil, soy sauce, lime juice, garlic, ginger, and chili flakes.
- Add the sliced vegetables to the bowl and toss to coat.
- Grill the vegetables for about 10 minutes, turning occasionally, until tender and slightly charred.
- Serve hot.
Nutritional Value
Keywords
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