Roasted Veggie Sliders

Highlighted under: Comfort Food

I love making Roasted Veggie Sliders for gatherings or a tasty weeknight dinner. The combination of roasted vegetables brings out their natural sweetness, and layering them with fresh toppings creates a delightful burst of flavor. Each bite is satisfying yet light, making them perfect for any occasion. Plus, I love how customizable they are! You can switch up the veggies based on what’s in season or what you have on hand, making this a versatile recipe that I find myself coming back to again and again.

Mia Jefferson

Created by

Mia Jefferson

Last updated on 2026-01-12T01:55:09.527Z

When I first experimented with these Roasted Veggie Sliders, I didn't expect them to become a family favorite! I learned that roasting the vegetables enhances their flavors, making them irresistible. After trying different combinations, I found that a mix of bell peppers, zucchini, and mushrooms gives the best texture and taste.

One tip I can't stress enough is to give the veggies plenty of space on the baking sheet. If they're too crowded, they'll steam instead of roast, which can diminish their delicious flavors. Roasting them to a golden brown is the key to achieving that perfect slider.

Why You'll Love These Sliders

  • Juicy roasted veggies packed with flavor
  • Customizable with your favorite toppings
  • Great for meal prep or feeding a crowd

Perfecting the Roast

Roasting the vegetables is the key to developing maximum flavor for these sliders. Aim for a golden brown color on the edges, as this caramelization brings out the natural sweetness of each vegetable. If you notice uneven browning, halfway through roasting, give the pan a good shake or stir to ensure they cook uniformly. For an additional flavor boost, consider adding herbs like rosemary or thyme to the mix before roasting.

The texture of the roasted vegetables should be tender yet still slightly firm. If you're using heartier vegetables, such as carrots or sweet potatoes, they may require a longer roasting time. Keep an eye out for vegetables that begin to shrivel too much, as they may lose their appealing crunch. A good rule of thumb is to stir them at least once during roasting, which also helps to distribute the heat evenly.

Personalizing Your Sliders

These sliders are incredibly versatile, allowing you to tailor the ingredients to suit your preferences or dietary restrictions. If you're looking to keep it vegan, the hummus pairs wonderfully with any roasted vegetable mix. For added protein, consider adding a slice of cheese or a bean spread, and for gluten-free followers, substitutes such as corn tortillas work well as slider buns.

Don’t hesitate to experiment with the toppings! Fresh herbs like cilantro or basil can elevate the flavor profile significantly. You can also include pickled vegetables for a tangy kick or avocado slices for creaminess. Having a variety of toppings on the side allows everyone at your gathering to customize their sliders just the way they like them.

Storage and Reheating Tips

If you have leftovers, store the roasted vegetables in an airtight container in the refrigerator for up to three days. This not only enhances meal prep efficiency but also allows the flavors to meld together even better. When you’re ready to enjoy them again, simply reheat the veggies in the oven at 350°F (175°C) until warmed through, about 10-15 minutes, or until they regain their original texture.

For longer storage, consider freezing the roasted vegetables. Spread them out on a baking sheet to freeze individually, and once frozen, transfer them to a freezer-safe bag. You can freeze them for up to three months. When you're ready to use them, there’s no need to thaw—just add them directly to your slider assembly for a quick and delicious meal!

Ingredients

Ingredients

For the Sliders

  • 1 medium zucchini, diced
  • 1 red bell pepper, diced
  • 1 yellow bell pepper, diced
  • 1 cup mushrooms, diced
  • 2 tablespoons olive oil
  • 1 teaspoon garlic powder
  • 1 teaspoon paprika
  • Salt and pepper to taste
  • 4 slider buns
  • 1/2 cup hummus (for spread)
  • 1 cup arugula (for garnish)

Feel free to swap different veggies or use your favorite condiments!

Instructions

Instructions

Prepare the Vegetables

Preheat your oven to 400°F (200°C). In a large bowl, toss the diced zucchini, red and yellow bell peppers, and mushrooms with olive oil, garlic powder, paprika, salt, and pepper until evenly coated.

Roast the Veggies

Spread the vegetable mixture on a baking sheet in a single layer. Roast in the preheated oven for 25-30 minutes, stirring halfway through, until the vegetables are tender and lightly browned.

Assemble the Sliders

Once the vegetables are roasted, slice the slider buns and spread a generous layer of hummus on each side. Load up the bottoms with roasted veggies and top with arugula before placing the bun tops on.

Serve and Enjoy

Serve the veggie sliders warm, and enjoy with extra hummus on the side if desired!

These sliders can be served with a side salad or your favorite dipping sauce for extra flavor.

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Pro Tips

  • Try adding grilled onions or avocado for extra creaminess and flavor.

Serving Suggestions

For a delightful dining experience, pair these sliders with sweet potato fries or a fresh garden salad. The crunch and sweetness of the fries contrast nicely with the juicy roasted veggies, while the salad adds a refreshing touch to your meal. You can also offer a variety of dips on the side, such as tzatziki or a spicy sriracha mayo, for those who love a kick.

If you're hosting a gathering, consider setting up a slider bar where guests can assemble their own. This interactive approach not only engages everyone but also lets folks experiment with their combinations of toppings. Provide small flags or labels for each flavor combination for a fun touch!

Adjusting the Spice Level

The recipe can easily be adjusted for different spice tolerance levels. If you or your guests prefer milder flavors, you can reduce the amount of paprika or even omit it altogether. On the flip side, for those who enjoy a bit of heat, try adding a dash of cayenne pepper or crushed red pepper flakes to the vegetable mixture before roasting for extra zing.

Another option is to play with the toppings. Adding sliced jalapeños or a spicy mustard as a condiment can satisfy your guests' cravings for spice while keeping the base slider mild. Always take a moment to taste the veggies after roasting; this will help you decide if any additional seasoning is needed before assembling the sliders.

Questions About Recipes

→ Can I use frozen vegetables instead?

Yes, but fresh vegetables tend to have better flavor and texture when roasted.

→ What can I substitute for the hummus?

Cream cheese or pesto would also work well as a spread for these sliders.

→ How do I store leftovers?

Store any leftover sliders in an airtight container in the fridge for up to 3 days.

→ Can I make these sliders ahead of time?

Yes! You can roast the vegetables ahead and assemble the sliders just before serving.

Roasted Veggie Sliders

I love making Roasted Veggie Sliders for gatherings or a tasty weeknight dinner. The combination of roasted vegetables brings out their natural sweetness, and layering them with fresh toppings creates a delightful burst of flavor. Each bite is satisfying yet light, making them perfect for any occasion. Plus, I love how customizable they are! You can switch up the veggies based on what’s in season or what you have on hand, making this a versatile recipe that I find myself coming back to again and again.

Prep Time20 minutes
Cooking Duration30 minutes
Overall Time50 minutes

Created by: Mia Jefferson

Recipe Type: Comfort Food

Skill Level: Intermediate

Final Quantity: 4 servings

What You'll Need

For the Sliders

  1. 1 medium zucchini, diced
  2. 1 red bell pepper, diced
  3. 1 yellow bell pepper, diced
  4. 1 cup mushrooms, diced
  5. 2 tablespoons olive oil
  6. 1 teaspoon garlic powder
  7. 1 teaspoon paprika
  8. Salt and pepper to taste
  9. 4 slider buns
  10. 1/2 cup hummus (for spread)
  11. 1 cup arugula (for garnish)

How-To Steps

Step 01

Preheat your oven to 400°F (200°C). In a large bowl, toss the diced zucchini, red and yellow bell peppers, and mushrooms with olive oil, garlic powder, paprika, salt, and pepper until evenly coated.

Step 02

Spread the vegetable mixture on a baking sheet in a single layer. Roast in the preheated oven for 25-30 minutes, stirring halfway through, until the vegetables are tender and lightly browned.

Step 03

Once the vegetables are roasted, slice the slider buns and spread a generous layer of hummus on each side. Load up the bottoms with roasted veggies and top with arugula before placing the bun tops on.

Step 04

Serve the veggie sliders warm, and enjoy with extra hummus on the side if desired!

Extra Tips

  1. Try adding grilled onions or avocado for extra creaminess and flavor.

Nutritional Breakdown (Per Serving)

  • Calories: 280 kcal
  • Total Fat: 10g
  • Saturated Fat: 1g
  • Cholesterol: 0mg
  • Sodium: 300mg
  • Total Carbohydrates: 40g
  • Dietary Fiber: 5g
  • Sugars: 4g
  • Protein: 8g