Grilled Vegetable Sliders

Name: Grilled Vegetable Sliders
Prep time: 15 min
Cook time: 10 min
Total time: 25 min
Yield: 4 servings
Ingredients: 1 red bell pepper, sliced; 1 zucchini, sliced; 1 cup mushrooms, sliced; 4 whole grain slider buns; 2 tablespoons olive oil; Salt and pepper to taste; 1 teaspoon Italian seasoning; 4 slices of cheese (optional); Lettuce leaves; Sliced tomatoes; Your favorite condiments (aioli, hummus, etc.)

Highlighted under: Busy Recipes

I love making Grilled Vegetable Sliders for a delightful and healthy meal option. The vibrant colors of the grilled veggies not only make it visually appealing but also pack a punch of flavor. Each bite is a delicious blend of smoky peppers, zucchini, and tender mushrooms, all sandwiched between soft, toasted buns. It’s an easy recipe that quickly satisfies my cravings for something fresh and delicious, making it perfect for summer cookouts or any casual gathering with friends and family.

Created by

Wendy Ashbourne

Last updated on 2026-01-12T08:04:37.882Z

When I first tried making Grilled Vegetable Sliders, I was amazed at how versatile and satisfying they are. I experimented with different vegetable combinations, and let me tell you, each one brought its unique flavor to the sliders. I discovered that marinating the vegetables lightly with olive oil and seasoning elevates their taste significantly. It’s a simple yet effective method to enhance the natural flavors while keeping them tender on the grill.

One tip I swear by is to use a grill basket for smaller vegetables like cherry tomatoes and mushrooms. This way, nothing falls through the grates, allowing for even cooking and perfect grill marks. The result is a slider that’s not only delicious but also full of nutrients. These sliders have become a staple in my kitchen; they are a must-try for anyone who loves fresh flavors!

        Why You Will Love This Recipe
        Colorful and nutritious grilled vegetables bring a burst of flavor.
Light yet filling, making it perfect for lunch or dinner.
Customizable with your favorite sauces and toppings.

      

Mastering the Grilling Technique

Grilling the vegetables to perfection is key to unlocking their smoky flavor and appealing texture. Make sure to slice the bell pepper, zucchini, and mushrooms uniformly so they cook evenly. Aim for pieces about half an inch thick. If you find that smaller pieces are falling through the grill, use a grill basket or skewers to keep everything intact while still allowing for that delicious char to develop.

Preheat the grill to medium-high heat, around 400°F to 450°F. To test if it's hot enough, you can hold your hand above the grates – you should feel a strong, consistent heat. When grilling, keep an eye on the vegetables; they don’t need too long—8 to 10 minutes is ideal. Look for vibrant colors, tender textures, and well-defined grill marks to know they're done.

Customizing Your Sliders

The versatility of Grilled Vegetable Sliders lies in the toppings and condiments you choose. Experiment with different types of cheese such as goat cheese or pepper jack for a bit of heat. Alternatively, try vegan cheese options for a plant-based alternative that melts beautifully. You can also throw in some pickled jalapeños for an extra zing or avocado slices for creaminess.

Consider varying the base of your sliders too. Instead of whole grain buns, try ciabatta or pita for a different flavor profile and texture. If you're looking for a gluten-free option, many brands offer tasty gluten-free buns or lettuce wraps that serve as a refreshing low-carb alternative.

Ingredients

For the Sliders

1 red bell pepper, sliced
1 zucchini, sliced
1 cup mushrooms, sliced
4 whole grain slider buns
2 tablespoons olive oil
Salt and pepper to taste
1 teaspoon Italian seasoning

For the Toppings

4 slices of cheese (optional)
Lettuce leaves
Sliced tomatoes
Your favorite condiments (aioli, hummus, etc.)

Gather all ingredients and prepare them for the grilling process.

Steps

Prepare the Vegetables

In a mixing bowl, toss the sliced bell pepper, zucchini, and mushrooms with olive oil, salt, pepper, and Italian seasoning until well coated.

Grill the Vegetables

Preheat the grill to medium-high heat. Place the vegetables on a grill basket or directly on the grill. Grill for about 8-10 minutes, turning occasionally, until they are tender and have nice grill marks.

Toast the Buns

During the last few minutes of grilling, place the slider buns cut-side down on the grill to toast them lightly.

Assemble the Sliders

Layer grilled vegetables on the bottom half of each bun. Add your choice of cheese, lettuce, sliced tomatoes, and any condiments you like. Top with the other half of the bun.

Serve

Serve the sliders warm and enjoy them with your favorite sides.

Make sure to enjoy these sliders fresh off the grill for the best taste.

Pro Tips

Feel free to substitute any of the vegetables based on what's in season or what you have on hand. Adding a splash of balsamic glaze can enhance the flavor even more!

Make-Ahead and Storage Tips

One of the best aspects of these sliders is how well the components can be prepared in advance. You can marinate and grill the vegetables a day ahead and store them in the refrigerator. Just keep them in an airtight container to maintain their freshness. When you’re ready to assemble, reheat them on the grill or in a skillet until warmed through, approximately 5 minutes on medium heat.

If you find yourself with leftovers after your cookout, the grilled veggies make excellent additions to salads, pasta dishes, or as a filling for wraps. Store any leftover components separately to keep the buns from getting soggy; they will last in the refrigerator for about 3 days.

Serving Suggestions

For a complete meal, consider pairing your sliders with some homemade sweet potato fries or a crisp coleslaw. The sweetness of the fries complements the smoky flavors of the grilled vegetables perfectly. If you're feeling adventurous, add a side of spicy aioli for dipping; it adds a delightful kick that elevates the dish further.

To impress your guests at a gathering, serve the sliders on a large platter garnished with fresh herbs or a sprinkle of sesame seeds. It’s not only visually appealing but also encourages everyone to grab one and enjoy. A light red or white wine can also enhance the flavors beautifully, making the summer dining experience truly refreshing.

Questions About Recipes

→ Can I use different vegetables?

Absolutely! Feel free to experiment with vegetables like eggplant, asparagus, or even corn.

→ Are these sliders gluten-free?

You can easily make them gluten-free by using gluten-free buns.

→ Can I prepare the vegetables in advance?

Yes, you can marinate the vegetables a few hours beforehand for added flavor.

→ What's the best way to store leftovers?

Store any leftovers in an airtight container in the refrigerator for up to 2 days.