Don't miss my tips for these quick, perfectly Grilled Vegetable Kabobs with summer squash, mushrooms, onions, and brussels sprouts! You'll love the bold Mediterranean flavors, thanks to a very simple marinade. Gas grill and oven instructions included.

Grilled veggie kabobs on a blue plate with a dish of romesco sauce

Vegetable skewers for an easy side dish!

Vegetables are a huge part of my lifestyle year-round, but as we head into the warm summer months, we have so many more options to enjoy! I'm game for anything from ratatouille to roasted vegetables, but as it's getting quite warm out, I can't help but throw my veggies on the grill. Not only does it avoid heating up the kitchen, but it adds so much flavor!

Depending on what vegetables I pick up from the farmer's market, it's either my grilled vegetables platter or something like today's marinated vegetable kabobs.

The simple but flavorful Mediterranean-style marinade, combined with the appropriate heat from your grill, will create amazingly delicious kabobs. While you don't want to burn these, they should be slightly charred in a few places before you remove them from the grill. I love to add some freshly made romesco sauce for dipping the veggies as well.

Grape tomatoes, red onion, baby bella mushrooms, squash and brussels sprouts in a mixing bowl

Before we get to the recipe, let me cover a few basics that may be helpful to new cooks.

What are the best vegetables for shish kabobs?

The options for what veggies to skewer and grill are plenty. Aim for a variety of color and for veggies that will hold their shape well. Some of my favorites for kabobs are: bell peppers (any color), zucchini, yellow squash, mushrooms, onions (I like red onions, but yellow onions or shallots are great too), and tomatoes (smaller cherry or grape tomatoes). I've also tried grilled brussels sprouts on skewers and loved them!

If you want to add a little sweetness to your vegetable skewers, you can include grapes, ripe figs, or pineapple. I just kept things simple and went for savory Mediterranean-style vegetable kabobs.

The marinade

Should you marinate vegetables? It's not a must, but marinating your veggies for a few minutes before grilling is a wonderful way to boost their flavor. You can also marinated vegetables overnight in the fridge. In this recipe, the vegetable kabobs marinade combines some Mediterranean favorites, including good extra virgin olive oil, lemon juice, garlic, fresh parsley and dried oregano. If you like a little heat, add a bit of Aleppo pepper or red pepper flakes.

How long to grill vegetable kabobs?

On a medium-heated gas grill, your vegetable kabobs will take about 10 minutes, turning as needed. Keep your heat to medium so that you can cook the vegetables without letting them become scorched or totally blackened. Some grill marks or charred parts are wonderful! Be sure to take the vegetables off the heat when they are just done, this way they do not burn or loose their crunch completely.

A blue plate with several grilled vegetable kabobs and a dish of romesco sauce

What you'll need for this recipe

These seasoned vegetable skewers are made with fresh vegetables and a handful of seasonings. Quick, easy and flavorful!

  • Yellow squash or zucchini - You can use whichever you have on hand or prefer.
  • Baby bella mushrooms - These mushrooms are perfectly sized for sliding on a skewer and stay firm when grilled.
  • Grape tomatoes - You can also use cherry tomatoes, which are a good size and can also be left whole to slide on your skewers.
  • Brussels sprouts - Brussels sprouts add a crunch and pop of green to the skewers. It helps to microwave them for a couple minutes before skewering.
  • Onion - You can use any type of onion, but I like red onion for its sweet flavor.
  • Garlic - Freshly minced garlic for the marinade.
  • Seasoning - A combination of fresh parsley, salt, dried oregano and, for heat, Aleppo pepper or red pepper flakes.
  • Olive oil - Olive oil helps the seasonings stick to the vegetables and helps them char up nicely on the grill. Try Private Reserve Greek EVOO or another olive oil from our collection!
  • Lemon juice - Freshly squeezed lemon juice adds a pop of bright, fresh flavor to the kabobs.

How to cook vegetable kabobs: Step-by-step

All these grilled vegetable skewers require is a few minutes to marinate and a quick turn on a hot grill. If using bamboo skewers, allow them to soak for 30 minutes to 1 hour in water before using.

  • Cut the vegetables
    You can leave the grape tomatoes and mushrooms whole, but go ahead and cut the onions, squash or zucchini, and brussles sprouts into similar size pieces (I just like to halve the squash and the brussels sprouts, then cut the onion into large square chunks. Microwave the brussels sprouts for a couple minutes to help them soften.
  • Marinate the vegetables
    Put the veggies in large bowl and add about 4 cloves of minced garlic, drizzle with olive oil, lemon juice, season with parsley, oregano, a good pinch of kosher salt, and Aleppo pepper or red pepper flakes for a little heat.

    Summer veggies marinating in a glass mixing bowl
  • Thread the vegetables on the prepared skewers

    Marinated veggies on skewers ready to be grilled
  • Grill the vegetable kabobs. Heat your gas grill to medium heat and grill the veg kabobs for about 10 minutes, turning as needed. Vegetables should be fully cooked and charred in some parts.

    Grilled veggie skewers on a plate with romesco sauce

Tips for success

For the easiest assembly and perfect flavor, keep these tips in mind.

  • Marinate the vegetables. If you want your grilled vegetables to have a bolder flavor, just increase the marinating time! They can marinate for several hours in the fridge before grilling.
  • Use Medium Heat. Setting your grill to medium heat, and making sure to turn the vegetable skewers occasionally, allows the vegetables to cook well without getting too scorched or burned.
  • Switch up the vegetables. The great thing about these kabobs is that they are versatile and easy to adapt. You can easily change the vegetables used to your favorites or what you have on hand. I recommend choosing vegetables with a variety of textures and flavors. In addition to the ones in the recipe, other vegetables that grill well include eggplant, corn, baby potatoes, or even carrot chunks. Again, vegetables like baby potatoes or carrots could benefit from a minute or two in the microwave before skewering.
  • Change up the seasonings. You can add other dried herbs as desired, like parsley, rosemary or basil. Or, if you're craving something a bit different, try adding a Middle Eastern twist by using za'atar or sumac in your marinade, or add a Moroccan twist by using Ras El Hanout.

Vegetable kabobs in the oven

If you don't have a grill, you can absolutely cook these veggie skewers in the oven at 400 degrees F. Arrange the skewers on a baking sheet and put them in the heated oven for about 15 minutes, turning over occasionally so that they veggies can char on different sides. Again, if you are using wooden skewers, soak them in water for 30 minutes to 1 hour before using.

Overheard view of grilled vegetable skewers on a blue plate with a dish of romesco sauce

Serving suggestions

These grilled vegetable skewers make an easy side dish to almost any dinner. They're one of my favorite ways to quickly add vegetables to a meal any night of the week!

For a Mediterranean-inspired BBQ, serve them with romesco sauce for dipping and add a grilled protein such as grilled Mediterranean chicken, juicy lamb kabobs, or grilled swordfish. Add your favorite grain or a flavorful rice like spanakorizo (Greek Spinach rice).

If you're looking to keep your meal vegetarian, you can serve these vegetable kabobs as part of a vegetarian bowl with herbed couscous.

How to store leftovers

These grilled veggie kabobs are best when enjoyed immediately after cooking. As some of the vegetables have a high water content, they tend to become soggy after a while. Of course, if you do have leftovers you can store them in an airtight container for a day or two. Enjoy cold or reheat quickly in the microwave or stovetop.

More grilled vegetable recipes:

Hungry for more? Browse my 50+ Top Mediterranean Diet Recipes or all Mediterranean recipes.

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5 from 8 votes

Grilled Vegetable Kabobs

Suzy Karadsheh
A blue plate with several grilled vegetable kabobs and a dish of romesco sauce
These Grilled Vegetable Kabobs with summer squash, mushrooms, onions, and brussels sprouts are a quick and easy way to add vegetables to any meal. Instructions for how to cook vegetable kabobs on the grill and how to make them in the oven included below. For more flavor, allow the vegetables to marinate in the fridge for a few hours.
Prep – 20 mins
Cook – 10 mins
Total – 30 mins
Cuisine:
American/Mediterranean
Serves – 6 skewers
Course:
Side Dish

Ingredients
  

  • 1 yellow squash or zucchini, cut into half moons
  • 8 ounces baby bella mushrooms, trimmed
  • 1 cup grape tomatoes
  • 6 ounces brussels sprouts, halved, (it helps to microwave the brussels briefly so they are a bit softer and will go through the skewers more easily)
  • 1 medium onion, cut into chunks
  • 3-4 garlic cloves, minced
  • ½ cup chopped fresh parsley
  • kosher salt
  • ½ teaspoon dried oregano
  • ½ teaspoon Aleppo pepper (or ½ to 1 teaspoon red pepperflakes)
  • cup extra virgin olive oil
  • juice of two lemons

Instructions
 

  • Prepare 8 to 10 skewers (if using bamboo or wooden skewers, soak them in water for at least 30 minutes). 
  • Chop the vegetables and garlic and place them in a large mixing bowl. Add the parsley and season with Kosher salt, oregano and pepper flakes. Add the olive oil and lemon juice. Toss to combine.
  • Set the vegetables aside for 20 minutes while you heat the grill (Or you can marinate them in the fridge for a few hours until you are ready).

Vegetable Kabobs on the Gas Grill

  • Heat a gas grill to medium and oil the grates. 
  • Arrange the skewers on the heated grill and cook for 10 minutes, turning as needed, until the vegetables are cooked and charred in some parts. 

Vegetable Kabobs in the Oven

  • Heat your oven to 400 degrees F. Assemble the kabobs on a large sheet pan and roast on the center rack of the oven, turning occasionally, for 15 minutes or until the veggies are cooked through to your liking.

Notes

  • Serve with Romesco Sauce for dipping. 
  • Leftovers: make sure the vegetables are cool before storing them in the fridge. Slide them off the skewers and keep them in a tight-lid container in the fridge for 2 to 3 days. 
  • Visit Our Shop for quality Mediterranean ingredients including olive oils and spices.

Nutrition

Calories: 146.3kcalCarbohydrates: 8.4gProtein: 2.9gSaturated Fat: 1.7gSodium: 17.8mgPotassium: 484mgFiber: 2.6gSugar: 3.5gVitamin A: 959.8IUVitamin C: 41.1mgCalcium: 40.5mgIron: 1.2mg
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Comments

  1. I too tried this. Mushrooms released a lot of water and since it was mentioned that baking tray has to be used, so all the veggies were in contact with water. The time that took water to evaporate in the oven, the veggies became too soggy and completely lost their crunch.

  2. This turned out so good! Next time, I want to try adding Za’atar seasoning. How much would you recommend adding? And should I reduce the amount of lemon juice if adding Za’atar? Thanks.

    1. Hi, Neha. You can add 1/2 tsp. Za'atar (more if you like). And, no, I would not reduce the amount of lemon. Enjoy!

  3. 5 stars
    These were delicious! I will definitely be making these again. I used cherry tomatoes, a zucchini, baby bella mushrooms, two bell peppers, and a red onion. Loved the marinade!

  4. 5 stars
    i know it will be good, i used to make kabobs like this, but not with lemon, so! i will eat and ENJOY!

  5. 5 stars
    I made this for dinner tonight but did not have brussels sprouts so I used whatever veggies I had on hand (skinny eggplant, zucchini, bell pepper, baby Bella mushrooms, tomatoes, bell peppers and onions) served it over some wild rice and sprinkled feta on top - it was delicious - the whole family loved it - definitely adding it to our rotation - thank you Suzy!!!