Grilled Vegetable Sliders

Highlighted under: Light Healthy Meals Inspiration

I absolutely love making grilled vegetable sliders during the summer months. Not only are they packed with fresh flavors, but they are also a healthy alternative to traditional burgers. The smoky aroma from the grill combined with the vibrant colors of bell peppers, zucchini, and eggplant always draws everyone in. Plus, I love experimenting with different sauces and toppings to elevate their taste. These sliders are perfect for any gathering, making it easy to cater to both vegetarians and meat lovers alike.

Rebecca Turner

Created by

Rebecca Turner

Last updated on 2026-01-12T02:01:34.520Z

When I first decided to create grilled vegetable sliders, I was searching for a dish that would appeal to everyone—vegetarians and meat-eaters alike. I discovered that grilling vegetables enhances their natural sweetness while adding a delightful smoky char that makes them truly irresistible. By using a blend of fresh herbs and spices, I elevate the flavors even further, creating a satisfying burger that I can feel good about eating.

Through trial and error, I learned that grilling the vegetables in a specific order prevents them from becoming mushy. I like to start with the denser vegetables like eggplant and zucchini, followed by the quicker-cooking bell peppers. This method ensures every bite retains that perfect texture!

Why You Will Love This Recipe

  • Fresh vegetables grilled to perfection for a smoky flavor
  • Versatile sliders that can be customized with your favorite toppings
  • A hearty option that satisfies cravings without the heaviness of meat

Choosing the Right Vegetables

When preparing your grilled vegetable sliders, selecting ripe vegetables is key to enhancing their natural flavors. Look for eggplants that are firm and glossy, which indicates freshness, and zucchini that has a vibrant green color without any blemishes. For bell peppers, choose ones that feel heavy for their size, suggesting they are juicy and sweet. Feel free to experiment with additional veggies like mushrooms or asparagus for diverse textures and flavors, but remember to adjust cooking times accordingly as some may grill faster than others.

The thickness of your vegetable slices can affect how well they grill. Keeping the eggplant and zucchini at about 1/2 inch thick ensures they cook evenly without losing their moisture. If you like a more pronounced grill mark, consider cutting the zucchini into slightly thicker slices. For a bolder flavor, marinating the vegetables in balsamic vinegar for 30 minutes before grilling can add depth and richness—just be sure to pat them dry before seasoning to avoid excess moisture on the grill.

Mastering the Grill

Achieving beautiful charred marks on your vegetables requires a well-preheated grill. Aim for a medium heat setting, around 350°F to 375°F, which allows vegetables to caramelize without burning. Brush the grill grates with a little olive oil before placing your vegetables to prevent sticking. To check if your eggplant and zucchini are ready to flip, look for a nicely browned surface and a softening texture. The bell peppers will take longer to become tender, so place them on the grill first, and give them a gentle turn with tongs to ensure even cooking.

A common error is overcrowding the grill with too many veggies at once. This can lead to steaming rather than grilling. I usually recommend grilling in batches if necessary. To preserve temperature, keep grilled vegetables warm on a plate covered with foil while you finish the rest. This also allows the flavors to meld together beautifully, ensuring a delightful taste in every bite of your slider.

Ingredients

Gather these fresh ingredients to create your delicious grilled vegetable sliders:

Grilled Vegetable Sliders Ingredients

  • 1 medium eggplant, sliced into 1/2 inch rounds
  • 1 medium zucchini, sliced into 1/2 inch rounds
  • 1 red bell pepper, cut into quarters
  • 1 yellow bell pepper, cut into quarters
  • 2 tablespoons olive oil
  • 1 teaspoon garlic powder
  • Salt and pepper to taste
  • 4 whole wheat slider buns
  • 4 tablespoons hummus or your favorite sauce
  • Fresh basil leaves for garnish

Feel free to add any additional toppings or sauces that you prefer!

Instructions

Follow these simple steps to prepare your grilled vegetable sliders:

Prep the Vegetables

Begin by slicing the eggplant and zucchini, and cutting the bell peppers into quarters. Place the sliced vegetables in a large bowl.

Season the Vegetables

Drizzle olive oil over the vegetables and sprinkle with garlic powder, salt, and pepper. Toss until evenly coated.

Grill the Vegetables

Preheat your grill to medium heat. Grill the eggplant and zucchini for about 4-5 minutes on each side. Place the bell peppers on the grill and cook until soft, about 8-10 minutes.

Assemble the Sliders

Once the vegetables are grilled, place them on the whole wheat slider buns. Spread hummus or your chosen sauce and top with fresh basil leaves.

Serve and Enjoy

Serve your grilled vegetable sliders warm, and enjoy a delicious and healthy meal!

These sliders are great served with a side of sweet potato fries or a fresh salad!

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Pro Tips

  • For added flavor, marinate the vegetable slices in balsamic vinegar for 30 minutes before grilling.

Serving Suggestions

Once assembled, these sliders can be paired with a side of sweet potato fries or a fresh green salad to create a complete meal. If you’re hosting a gathering, consider setting up a slider bar, allowing guests to customize their own with various toppings like feta cheese, avocado, or spicy sriracha. I love using a creamy avocado spread in place of hummus for an extra layer of richness.

For an added kick, consider pickled onions or jalapeños as toppings. They not only provide a crunch but also introduce a zesty element that contrasts beautifully with the smoky flavors of the grilled vegetables. If preparing for a crowd, you can easily double the recipe and use a larger grill to accommodate more sliders at once, ensuring everyone gets to enjoy them hot and fresh.

Storage and Reheating

If you have leftover grilled vegetables, they can be stored in an airtight container in the refrigerator for up to 4 days. To reheat, I suggest placing them in a skillet over medium heat for about 5-7 minutes to restore some of the original grill flavors. Avoid microwaving as this can create a soggy texture, diminishing the delightful char you worked so hard to achieve.

For a make-ahead option, grill your vegetables the day before your event and store them in the fridge. Preparing the sliders is then a breeze—just reheat the veggies and assemble right before serving. You can also freeze the grilled vegetables for longer storage; they will keep well for up to 3 months. When ready to use them, thaw overnight in the refrigerator before reheating on the stove or grill.

Questions About Recipes

→ Can I use other vegetables for the sliders?

Absolutely! Feel free to use your favorite vegetables like mushrooms, asparagus, or even tomatoes.

→ How can I make these sliders gluten-free?

Simply swap the whole wheat slider buns for gluten-free buns or lettuce wraps.

→ Can I prepare these sliders ahead of time?

Yes, you can grill the vegetables ahead of time and assemble the sliders right before serving.

→ What sauces pair well with these sliders?

I recommend using hummus, tzatziki, or a spicy aioli to enhance the flavor.

Grilled Vegetable Sliders

I absolutely love making grilled vegetable sliders during the summer months. Not only are they packed with fresh flavors, but they are also a healthy alternative to traditional burgers. The smoky aroma from the grill combined with the vibrant colors of bell peppers, zucchini, and eggplant always draws everyone in. Plus, I love experimenting with different sauces and toppings to elevate their taste. These sliders are perfect for any gathering, making it easy to cater to both vegetarians and meat lovers alike.

Prep Time20 minutes
Cooking Duration15 minutes
Overall Time35 minutes

Created by: Rebecca Turner

Recipe Type: Light Healthy Meals Inspiration

Skill Level: Beginner

Final Quantity: 4 sliders

What You'll Need

Grilled Vegetable Sliders Ingredients

  1. 1 medium eggplant, sliced into 1/2 inch rounds
  2. 1 medium zucchini, sliced into 1/2 inch rounds
  3. 1 red bell pepper, cut into quarters
  4. 1 yellow bell pepper, cut into quarters
  5. 2 tablespoons olive oil
  6. 1 teaspoon garlic powder
  7. Salt and pepper to taste
  8. 4 whole wheat slider buns
  9. 4 tablespoons hummus or your favorite sauce
  10. Fresh basil leaves for garnish

How-To Steps

Step 01

Begin by slicing the eggplant and zucchini, and cutting the bell peppers into quarters. Place the sliced vegetables in a large bowl.

Step 02

Drizzle olive oil over the vegetables and sprinkle with garlic powder, salt, and pepper. Toss until evenly coated.

Step 03

Preheat your grill to medium heat. Grill the eggplant and zucchini for about 4-5 minutes on each side. Place the bell peppers on the grill and cook until soft, about 8-10 minutes.

Step 04

Once the vegetables are grilled, place them on the whole wheat slider buns. Spread hummus or your chosen sauce and top with fresh basil leaves.

Step 05

Serve your grilled vegetable sliders warm, and enjoy a delicious and healthy meal!

Extra Tips

  1. For added flavor, marinate the vegetable slices in balsamic vinegar for 30 minutes before grilling.

Nutritional Breakdown (Per Serving)

  • Calories: 250 kcal
  • Total Fat: 10g
  • Saturated Fat: 1g
  • Cholesterol: 0mg
  • Sodium: 320mg
  • Total Carbohydrates: 34g
  • Dietary Fiber: 6g
  • Sugars: 4g
  • Protein: 6g