Grilled vegetables are a delightful and healthy addition to any meal. This simple recipe brings out the natural flavors of zucchini, bell pepper, and red onion with just a touch of olive oil, salt, and black pepper. Perfect for a summer barbecue or a quick weeknight dinner, these vegetables are sure to please everyone at the table.
If you don't usually keep zucchini or red onion in your kitchen, you might need to pick them up at the supermarket. Zucchini is a type of summer squash that's often found in the produce section. Red onion adds a sweet and tangy flavor that complements the other vegetables well. Make sure to choose fresh, firm vegetables for the best results.

Ingredients For Grilled Vegetables Recipe
Zucchini: A type of summer squash that is mild in flavor and becomes tender when grilled.
Bell pepper: Adds a sweet and slightly smoky flavor when grilled, available in various colors like red, yellow, and green.
Red onion: Provides a sweet and tangy flavor that caramelizes beautifully on the grill.
Olive oil: Helps to coat the vegetables, preventing them from sticking to the grill and adding a rich flavor.
Salt: Enhances the natural flavors of the vegetables.
Black pepper: Adds a mild heat and depth of flavor to the grilled vegetables.
Technique Tip for Grilled Vegetables
To achieve perfectly grilled vegetables, make sure to cut them into uniform slices. This ensures even cooking and prevents some pieces from becoming overcooked while others remain underdone. Additionally, consider using a grill basket to keep smaller pieces from falling through the grates. For an extra layer of flavor, you can marinate the vegetables in the olive oil mixture for about 15-30 minutes before grilling. This allows the salt and pepper to penetrate deeper, enhancing the overall taste.
Suggested Side Dishes
Alternative Ingredients
zucchini - Substitute with yellow squash: Both have a similar texture and mild flavor, making them interchangeable in grilled dishes.
bell pepper - Substitute with poblano pepper: Poblano peppers offer a slightly spicier and smokier flavor, adding a different but complementary taste to the dish.
red onion - Substitute with yellow onion: Yellow onions have a slightly sweeter taste when grilled, which can enhance the overall flavor profile of the vegetables.
olive oil - Substitute with avocado oil: Avocado oil has a high smoke point and a neutral flavor, making it a great alternative for grilling.
salt - Substitute with sea salt: Sea salt can provide a more complex flavor due to its mineral content, enhancing the taste of the grilled vegetables.
black pepper - Substitute with white pepper: White pepper has a slightly milder and earthier flavor, which can offer a subtle difference in seasoning.
Other Alternative Recipes Similar to Grilled Vegetables
How To Store or Freeze Grilled Vegetables
- Allow the grilled vegetables to cool completely before storing. This helps prevent condensation, which can make the vegetables soggy.
- Transfer the cooled vegetables to an airtight container. If you have multiple layers, place a sheet of parchment paper between them to avoid sticking.
- Store the container in the refrigerator. The grilled vegetables will stay fresh for up to 3-4 days.
- For longer storage, place the cooled vegetables in a single layer on a baking sheet lined with parchment paper. Freeze until solid, about 1-2 hours.
- Once frozen, transfer the vegetables to a freezer-safe bag or container. Label with the date and type of vegetables.
- When ready to use, thaw the vegetables in the refrigerator overnight. Reheat in a skillet over medium heat or in the oven at 350°F (175°C) until warmed through.
- Avoid microwaving the grilled vegetables as it can make them mushy.
How To Reheat Leftovers
Oven Method: Preheat your oven to 375°F (190°C). Spread the grilled vegetables on a baking sheet in a single layer. Cover with aluminum foil to prevent them from drying out. Heat for about 10-15 minutes, or until they are warmed through.
Stovetop Method: Heat a non-stick skillet over medium heat. Add a small amount of olive oil to the pan. Toss in the vegetables and stir occasionally for about 5-7 minutes, until they are heated evenly.
Microwave Method: Place the grilled vegetables in a microwave-safe dish. Cover with a microwave-safe lid or plastic wrap, leaving a small vent for steam to escape. Heat on high for 1-2 minutes, stirring halfway through. Check if they are heated through; if not, continue in 30-second intervals.
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 3-5 minutes, shaking the basket halfway through to ensure even heating.
Grill Reheat: Preheat your grill to medium heat. Place the grilled vegetables back on the grill for about 2-3 minutes on each side, just until they are warmed through. This method will help maintain the charred flavor.
Steam Method: Place a steamer basket in a pot with a small amount of water. Bring the water to a boil. Add the vegetables to the basket, cover, and steam for about 3-5 minutes, until they are heated through. This method helps retain moisture.
Essential Tools for Perfectly Grilled Vegetables
Grill: A cooking device that uses direct heat to cook food, perfect for achieving those beautiful char marks on your vegetables.
Large bowl: Used for tossing the vegetables with olive oil, salt, and pepper to ensure even coating.
Tongs: Essential for placing the vegetables on the grill and flipping them without burning your hands.
Knife: Necessary for slicing the zucchini, bell pepper, and red onion into uniform pieces for even cooking.
Cutting board: Provides a stable surface for safely slicing the vegetables.
Measuring spoons: Used to measure out the olive oil, salt, and black pepper accurately.
Serving platter: Ideal for presenting the grilled vegetables once they are cooked and ready to serve.
How to Save Time on Making Grilled Vegetables
Pre-slice vegetables: Slice the zucchini, bell pepper, and red onion in advance and store them in an airtight container in the fridge.
Use a grill basket: Place the vegetables in a grill basket to make flipping and removing them easier and faster.
Batch cook: Grill extra vegetables and store them for future meals, saving time on prep later.
Preheat grill properly: Ensure the grill is fully preheated to medium-high heat before adding the vegetables for even cooking.
Season ahead: Mix olive oil, salt, and pepper with the vegetables ahead of time to let the flavors meld.

Grilled Vegetables Recipe
Ingredients
Vegetables
- 1 large Zucchini sliced
- 1 large Bell Pepper sliced
- 1 large Red Onion sliced
- 2 tablespoon Olive Oil
- 1 teaspoon Salt
- 1 teaspoon Black Pepper
Instructions
- Preheat the grill to medium-high heat.
- In a large bowl, toss the sliced vegetables with olive oil, salt, and pepper.
- Place the vegetables on the grill and cook for about 5 minutes on each side, until tender and slightly charred.
- Remove from the grill and serve immediately.
Nutritional Value
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