Grilled Vegetable Sliders

Name: Grilled Vegetable Sliders
Prep time: 15 min
Cook time: 10 min
Total time: 25 min
Yield: 4 sliders
Ingredients: 2 medium zucchinis, sliced; 1 red bell pepper, sliced; 1 yellow bell pepper, sliced; 1 cup mushrooms, sliced; 3 tablespoons olive oil; Salt and pepper to taste; 4 slider buns; 1 ripe avocado; 1 tablespoon lemon juice; Salt to taste

Highlighted under: Comfort Food

As a passionate cook, I always seek out fresh and vibrant flavors, and these Grilled Vegetable Sliders deliver just that. Each bite is bursting with the taste of charred veggies paired perfectly with creamy avocado spread. It's a fun twist on traditional sliders, making them a perfect option for summer gatherings or a quick weeknight dinner. With a quick cooking time and simple ingredients, I love how these sliders can satisfy both my cravings and those of my friends and family. It’s the best way to sneak in those extra servings of vegetables while keeping the meal exciting.

Created by

Rowan Tate

Last updated on 2026-01-13T04:04:12.454Z

I’ve always loved that satisfying flavor of grilled vegetables, and creating these sliders is my go-to method for a quick yet delicious meal. The combination of zucchini, bell peppers, and mushrooms, all charred to perfection, brings a delightful smokiness that enhances each bite. The key is to soak the veggies in olive oil and seasoning before grilling them to lock in moisture and flavor.

To elevate the taste further, I like to whip up a creamy avocado spread, which complements the sliders beautifully. This creamy element not only adds richness but also helps balance the grill's smokiness. Next time you make these sliders, try adding a sprinkle of feta cheese for an extra layer of flavor!

        Why You'll Love These Sliders
        Fresh, robust flavors from grilled vegetables
A creamy avocado spread that enhances every bite
Perfect for a summer BBQ or a cozy indoor dinner season

      

Choosing the Right Vegetables

When creating these sliders, the type and freshness of your vegetables make all the difference. Opt for vibrant zucchinis, bell peppers, and mushrooms that are firm and free from blemishes. The grilling process enhances their natural flavors, so starting with quality ingredients means you’ll achieve that perfect char and slightly sweet taste. If you want a bit of a kick, consider adding some thinly sliced jalapeños or even asparagus for an interesting twist.

The texture of each vegetable after grilling also plays a vital role in how enjoyable your sliders will be. Zucchini should be grilled until tender but still slightly firm, while bell peppers should be cooked until their skins are blistered and their interiors soft. This balance not only makes for a great mouthfeel but also ensures that the veggies hold their shape when assembled into the sliders.

Tips for Perfectly Grilled Vegetables

To achieve those beautiful grill marks, it's essential to preheat your grill to medium heat, ideally around 350°F to 400°F. Lay your veggies down gently on the grill grates, avoiding overcrowding to ensure even cooking. Flip them halfway through the grilling time, about 5-7 minutes per side, checking for a nice char and fork-tender texture. If you notice the vegetables are sticking to the grill, a light brush of olive oil just before grilling can help prevent this.

After grilling, allow your vegetables to rest for a few minutes before assembling the sliders; this helps retain their moisture and flavor. If you have leftovers, store them in an airtight container in the fridge for up to three days, making for an easy filler for wraps or salads later in the week.

Making Ahead and Serving Suggestions

These Grilled Vegetable Sliders are a fantastic option for meal prep. You can grill a larger batch of vegetables in advance, storing them in the fridge until you're ready to use them. Consider pairing the sliders with a side salad or roasted potatoes to create a complete meal. You could also suggest a variety of sliders by swapping out different spreads like hummus, pesto, or a spicy chipotle mayo, catering to diverse palates at your gathering.

For those looking to make this recipe gluten-free, simply substitute the slider buns with gluten-free options, such as portobello mushroom caps or lettuce wraps. Additionally, for vegan friends, double-check that your slider buns are dairy-free and ensure your avocado spread is enjoyed without any dairy mayonnaise for a completely plant-based treat.

Ingredients

For the Sliders

2 medium zucchinis, sliced
1 red bell pepper, sliced
1 yellow bell pepper, sliced
1 cup mushrooms, sliced
3 tablespoons olive oil
Salt and pepper to taste
4 slider buns

For the Avocado Spread

1 ripe avocado
1 tablespoon lemon juice
Salt to taste

Mix all ingredients in a bowl for the sliders and set aside the avocado spread mixture for topping.

Instructions

Prepare the Vegetables

In a bowl, toss the sliced zucchini, bell peppers, and mushrooms with olive oil, salt, and pepper. Ensure all the vegetables are well-coated.

Grill the Vegetables

Preheat the grill to medium heat. Grill the vegetables for about 5-7 minutes on each side until they are tender and have grill marks.

Make the Avocado Spread

In a small bowl, mash the avocado with lemon juice and salt until creamy. This spread will add a delicious richness to the sliders.

Assemble the Sliders

Lightly toast the slider buns. Place the grilled vegetables onto each bun, top with a generous amount of avocado spread, and serve.

Enjoy these sliders warm as a satisfying meal or snack!

Pro Tips

For an added flavor twist, marinate the vegetables in balsamic vinegar for 30 minutes before grilling. Also, consider using different types of breads for variety, such as whole grain or gluten-free options.

Flavor Enhancements

To elevate the flavors of your slider, consider marinating your vegetables for about 30 minutes before grilling. A simple mix of balsamic vinegar, garlic, and herbs can infuse the veggies with depth. Just toss the sliced vegetables in the marinate, then proceed with grilling as directed. This method not only adds an extra layer of flavor but also creates a delicious aroma that will delight your guests.

If you enjoy a smoky flavor, adding a few drops of liquid smoke to your olive oil before tossing with the veggies will impart a wonderful depth, mimicking the taste of outdoor BBQ even if you're cooking indoors.

Texture and Freshness

The creamy avocado spread is a game changer in terms of texture. For the best results, choose an avocado that yields slightly to gentle pressure when squeezed, ensuring it's ripe and ready. If you're in a pinch and don't have lemon juice, lime juice can serve as an excellent substitute to prevent browning while adding a zesty kick to the spread.

Serve your sliders immediately after assembling for the best texture. If you need to prepare them in advance, keep the avocado spread separate until you're ready to enjoy the sliders. This keeps the bun from getting soggy and preserves the fresh taste of the vegetables, making for a delightful eating experience.

Questions About Recipes

→ Can I use different vegetables?

Absolutely! Feel free to experiment with any vegetables you enjoy, like eggplant or asparagus.

→ How can I make these sliders vegan?

Simply replace the avocado spread with a vegan mayo or omit it altogether for a lighter version.

→ What is the best way to store leftovers?

Store any leftover sliders in an airtight container in the refrigerator for up to 2 days. Reheat them in a toaster oven for best results.

→ Can I grill the vegetables indoors?

Yes! You can use a grill pan on the stovetop if you don’t have an outdoor grill.