Sheet-Pan Roasted Veggie Caprese

Featured in: One-Pot & One-Pan Meals

This dish features tender roasted zucchini, bell peppers, and red onions layered with melty mozzarella, fresh tomato slices, and basil between crisp sourdough bread. Buttered and grilled to golden perfection, it offers a vibrant Italian-American twist with balanced textures and flavors. Optional balsamic glaze adds a hint of sweetness. Ideal for a quick, satisfying main dish perfect for any season.

Updated on Fri, 28 Nov 2025 10:25:00 GMT
Sheet-Pan Roasted Veggie Caprese Grilled Cheese with melted mozzarella and golden, crispy sourdough. Save
Sheet-Pan Roasted Veggie Caprese Grilled Cheese with melted mozzarella and golden, crispy sourdough. | hazelfork.com

A vibrant twist on the classic grilled cheese, featuring roasted seasonal vegetables, melty mozzarella, juicy tomatoes, and fresh basil—all sandwiched between golden, crisp sourdough slices.

This recipe quickly became a family favorite, especially on busy weeknights when we want something comforting and fresh.

Ingredients

  • Roasted Vegetables: 1 medium zucchini sliced into rounds, 1 red bell pepper sliced, 1 small red onion sliced, 1 tablespoon olive oil, 1/2 teaspoon kosher salt, 1/4 teaspoon black pepper
  • Sandwich Assembly: 8 slices sourdough bread, 8 ounces fresh mozzarella sliced, 2 medium tomatoes sliced, 1/3 cup fresh basil leaves, 4 tablespoons unsalted butter softened, Balsamic glaze to drizzle (optional)

Instructions

Step 1:
Preheat oven to 425°F (220°C). Line a sheet pan with parchment paper.
Step 2:
Arrange zucchini, red bell pepper, and red onion on the prepared pan. Drizzle with olive oil salt and pepper. Toss to coat and spread in a single layer.
Step 3:
Roast for 18–20 minutes flipping halfway until vegetables are tender and starting to caramelize. Remove from oven and set aside.
Step 4:
Spread butter on one side of each bread slice.
Step 5:
On the unbuttered side of 4 bread slices layer mozzarella roasted vegetables tomato slices and basil. Drizzle with balsamic glaze if desired.
Step 6:
Top each with the remaining bread slices buttered side out.
Step 7:
Heat a large nonstick skillet or griddle over medium heat. Cook sandwiches in batches 3–4 minutes per side until bread is golden and cheese is melted.
Step 8:
Slice and serve warm.
Save
| hazelfork.com

We often enjoy these grilled cheese sandwiches with a warm bowl of tomato soup, making it a favorite family meal especially during cooler months.

Required Tools

Sheet pan parchment paper chefs knife skillet or griddle spatula

Allergen Information

Contains Wheat (bread) Milk (mozzarella butter) Double-check bread and cheese labels if allergies are a concern

Nutritional Information

Calories 420 Total Fat 20 g Carbohydrates 44 g Protein 16 g per serving

Flavorful Sheet-Pan Roasted Veggie Caprese Grilled Cheese with colorful roasted veggies and fresh basil ready. Save
Flavorful Sheet-Pan Roasted Veggie Caprese Grilled Cheese with colorful roasted veggies and fresh basil ready. | hazelfork.com

This grilled cheese elevates a classic comfort food into a fresh and flavorful meal perfect for any time.

Recipe Questions & Answers

How long should I roast the vegetables?

Roast sliced zucchini, bell pepper, and red onion for 18–20 minutes at 425°F, flipping halfway for even caramelization.

Can I use other vegetables instead of zucchini and peppers?

Yes, eggplant or mushrooms work well and add unique flavors when roasted for the sandwich filling.

What bread type works best for this sandwich?

Sourdough bread is ideal for its sturdy texture and subtle tang, which complements the roasted veggies and cheese.

How do I ensure the cheese melts properly?

Grill the sandwich on medium heat for 3–4 minutes per side until the bread is golden and the mozzarella is fully melted.

Is it necessary to butter the bread slices?

Yes, buttering the outside of the bread helps achieve a crispy, golden crust during grilling.

Can I add a spicy element to this dish?

Adding a pinch of crushed red pepper to the roasted vegetables adds a mild spice that enhances the overall flavor.

Sheet-Pan Roasted Veggie Caprese

Golden sourdough stacked with roasted seasonal vegetables, mozzarella, tomatoes, and fresh basil.

Prep Time
20 minutes
Time to Cook
30 minutes
Time Required
50 minutes
Created by Lydia Carver


Skill Level Easy

Cuisine Type Italian-American

Makes 4 Portions

Diet Preferences Meat-Free

Needed Ingredients

Roasted Vegetables

01 1 medium zucchini, sliced into rounds
02 1 red bell pepper, sliced
03 1 small red onion, sliced
04 1 tablespoon olive oil
05 1/2 teaspoon kosher salt
06 1/4 teaspoon black pepper

Sandwich Assembly

01 8 slices sourdough bread
02 8 ounces fresh mozzarella, sliced
03 2 medium tomatoes, sliced
04 1/3 cup fresh basil leaves
05 4 tablespoons unsalted butter, softened
06 Balsamic glaze, to drizzle (optional)

Preparation Steps

Step 01

Preheat Oven: Preheat the oven to 425 degrees Fahrenheit. Line a sheet pan with parchment paper.

Step 02

Prepare Vegetables: Arrange zucchini, red bell pepper, and red onion on the prepared pan. Drizzle with olive oil, kosher salt, and black pepper. Toss to coat evenly and spread in a single layer.

Step 03

Roast Vegetables: Roast the vegetables for 18 to 20 minutes, flipping halfway through, until tender and caramelized. Remove from oven and set aside.

Step 04

Butter Bread: Spread softened unsalted butter on one side of each slice of sourdough bread.

Step 05

Assemble Sandwiches: On the unbuttered side of 4 bread slices, layer fresh mozzarella, roasted vegetables, tomato slices, and fresh basil leaves. Optionally, drizzle with balsamic glaze.

Step 06

Top Sandwiches: Place the remaining bread slices on top, ensuring the buttered side faces outward.

Step 07

Cook Sandwiches: Heat a large nonstick skillet or griddle over medium heat. Cook sandwiches for 3 to 4 minutes on each side, until the bread is golden and the cheese has melted.

Step 08

Serve: Slice sandwiches and serve while warm.

Essential Tools

  • Sheet pan
  • Parchment paper
  • Chef’s knife
  • Skillet or griddle
  • Spatula

Allergy Details

Review ingredients for allergens and speak to your doctor with any concerns.
  • Contains wheat, milk, and dairy products

Nutritional Info (each portion)

Nutrition details are for reference and aren't a substitute for medical advice.
  • Energy (Calories): 420
  • Fats: 20 g
  • Carbohydrates: 44 g
  • Proteins: 16 g