Roasted Veggie Sliders

Name: Roasted Veggie Sliders
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Yield: 4 sliders
Ingredients: 1 red bell pepper, diced; 1 zucchini, diced; 1 eggplant, diced; 2 tablespoons olive oil; Salt and pepper to taste; 4 slider buns; 1 avocado, sliced; 1/4 cup hummus (optional); Fresh arugula or spinach

Highlighted under: Everyday Comfort Food Recipes

I love making Roasted Veggie Sliders when I want a delicious and satisfying meal that's also healthy. These sliders are packed with colorful vegetables and bursting with flavor, making them a perfect choice for any gathering or a quiet night at home. I enjoy experimenting with different vegetable combinations, and the roasting process enhances their natural sweetness while giving them a delightful texture. Whether topped with creamy avocado or served with a zesty sauce, these sliders have quickly become a favorite in my kitchen.

Created by

Jessica Brown

Last updated on 2026-01-13T05:51:35.540Z

When I first decided to create Roasted Veggie Sliders, I was inspired by the need for a hearty snack that didn’t compromise on taste or nutrition. I experimented with various vegetables and settled on a mix of bell peppers, zucchini, and eggplant, all of which roast beautifully. The key is to ensure the veggies are cut evenly so they cook at the same rate, yielding sliders that are perfectly textured.

Another tip I discovered was to let the roasted veggies cool slightly before assembling the sliders. This step allows the flavors to meld together perfectly, and prevents sogginess in the buns. The result is a slider that is not only colorful and appealing but also packed with goodness that everyone will enjoy!

Why You Will Love This Recipe
Vibrant vegetables provide a range of flavors and textures
Perfectly balanced and satisfying for both vegetarians and meat-lovers
Versatile recipe that adapts well to seasonal veggies

The Importance of Roasting

Roasting the vegetables is where the magic happens in this recipe. When you roast at a high temperature like 400°F (200°C), the natural sugars in the veggies caramelize, leading to a deep, rich flavor that's hard to achieve through other cooking methods. Look for the vegetables to become tender and start to show golden edges. This contrast of textures will not only enhance the sliders but make them visually appealing as well.

To ensure even cooking, cut the vegetables into similar-sized pieces. This prevents some from burning while others remain undercooked. If you find that your vegetables are still not browning after the initial 25 minutes, give them a few extra minutes in the oven. Keep an eye on them to avoid overcooking—roasted veggies should be soft but not mushy.

Tailoring Your Veggie Mix

While this recipe features red bell pepper, zucchini, and eggplant, feel free to experiment with other seasonal vegetables. Sweet potato, mushrooms, or even butternut squash can bring unique flavors and textures. Just remember to adjust the cooking times if your substitutes have different moisture content; denser vegetables may require a bit longer in the oven, while softer ones may need less time.

Additionally, you can add fresh herbs like thyme or rosemary to the vegetable mix before roasting. This adds another layer of flavor and a delightful aroma that will fill your kitchen. If you're looking for a little heat, toss in some sliced jalapeños or sprinkle your favorite hot seasoning before roasting.

Ingredients

Roasted Veggies

1 red bell pepper, diced
1 zucchini, diced
1 eggplant, diced
2 tablespoons olive oil
Salt and pepper to taste

For the Sliders

4 slider buns
1 avocado, sliced
1/4 cup hummus (optional)
Fresh arugula or spinach

Instructions

Steps

Roast the Vegetables

Preheat your oven to 400°F (200°C). In a large bowl, combine the diced red bell pepper, zucchini, and eggplant. Drizzle with olive oil, and season with salt and pepper. Toss to coat veggies evenly. Spread the vegetables in a single layer on a baking sheet and roast for 25 minutes, stirring halfway through.

Prepare the Sliders

Once the vegetables are roasted and slightly caramelized, remove them from the oven and let them cool for a few minutes. Assemble the sliders by spreading hummus on the buns, adding a generous portion of roasted veggies, a few slices of avocado, and a handful of arugula. Top with the other half of the bun.

Enjoy Your Sliders!

Pro Tips

Feel free to customize your sliders by adding other toppings like feta cheese, spicy aioli, or pickled onions. You can also adjust the vegetable mix based on what’s available or in season.

Serving Suggestions

These Roasted Veggie Sliders are incredibly versatile. Consider adding a drizzle of balsamic glaze or a spicy aioli for an added tang and creaminess. A few pickles or jalapeños can also elevate the flavor profile, catering to those who enjoy a bit of heat. If you're serving a crowd, consider a platter-style presentation where guests can build their own sliders with a variety of toppings and sauces.

For a heartier version, try adding a slice of cheese—such as provolone or feta—on top of the roasted veggies before closing the slider. As the cheese melts slightly from the heat of the veggies, it creates a smooth and rich experience that complements the other ingredients beautifully.

Storage and Reheating

If you have leftovers, store the roasted veggies in an airtight container in the refrigerator for up to four days. Keep the slider buns separate to maintain their texture. When ready to eat, simply reheat the veggies in a skillet over medium heat for about 5-7 minutes, ensuring they are heated through but not soggy.

To freeze the roasted veggies, allow them to cool completely before placing them in freezer-safe bags. They can be frozen for up to three months. When you're ready to use them, thaw in the refrigerator overnight and reheat as mentioned above. This makes for a quick meal option on busy days, and you can assemble new sliders in just minutes.

Questions About Recipes

→ Can I make these sliders in advance?

Absolutely! You can prepare the roasted vegetables ahead of time and assemble the sliders just before serving.

→ What can I use instead of slider buns?

You can use lettuce wraps, pita pockets, or even rice cakes for a gluten-free option.

→ Can I freeze the roasted veggies?

Yes! Allow the roasted vegetables to cool completely, then freeze them in an airtight container. They can be reheated whenever you're ready to use them.

→ What other vegetables work well in this recipe?

You can use mushrooms, carrots, or sweet potatoes for added flavor. Just make sure to adjust the roasting time accordingly.