Sheet-Pan Roasted Veggie Caprese

Featured in: Vegetarian Favorites

This dish features tender roasted zucchini, bell pepper, and red onion combined with fresh mozzarella and sliced tomatoes. Layered onto buttery sourdough and finished with fresh basil and optional balsamic glaze, it's cooked on a skillet until perfectly golden and melty inside. Perfect for a quick, flavorful main course highlighting seasonal vegetables and classic Italian-American flavors.

Updated on Fri, 28 Nov 2025 10:02:00 GMT
Sheet-pan roasted veggie caprese grilled cheese with golden, bubbly cheese and vibrant roasted vegetables. Save
Sheet-pan roasted veggie caprese grilled cheese with golden, bubbly cheese and vibrant roasted vegetables. | cinnamonglow.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.

I love making this sandwich for my family on busy weeknights because it feels indulgent but is packed with fresh produce and comes together quickly.

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

Preheat oven:
Set oven to 425°F (220°C). Line a sheet pan with parchment paper.
Prepare vegetables:
Arrange zucchini, red bell pepper, and red onion on pan. Drizzle with olive oil salt and pepper Toss to coat and spread in a single layer.
Roast vegetables:
Roast for 18 to 20 minutes flipping halfway until tender and starting to caramelize Remove from oven and set aside.
Butter bread:
Spread butter on one side of each bread slice.
Assemble sandwiches:
On unbuttered side of 4 bread slices layer mozzarella roasted vegetables tomato slices and basil Drizzle with balsamic glaze if desired.
Top sandwiches:
Top each with remaining bread slices buttered side out.
Cook sandwiches:
Heat large nonstick skillet or griddle over medium heat Cook sandwiches in batches 3 to 4 minutes per side until bread is golden and cheese is melted.
Serve:
Slice and serve warm.
Melted mozzarella oozes from a sheet-pan roasted veggie caprese grilled cheese, served with fresh basil. Save
Melted mozzarella oozes from a sheet-pan roasted veggie caprese grilled cheese, served with fresh basil. | cinnamonglow.com

Making these sandwiches brings my family together every time and is always met with smiles especially when paired with tomato soup.

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)

Crispy sourdough encases a colorful sheet-pan roasted veggie caprese grilled cheese, ready for a delicious meal. Save
Crispy sourdough encases a colorful sheet-pan roasted veggie caprese grilled cheese, ready for a delicious meal. | cinnamonglow.com

This sandwich perfectly balances fresh flavors and comforting textures making it a new staple in our house.

Sheet-Pan Roasted Veggie Caprese

Golden sourdough sandwiches layered with roasted veggies, fresh mozzarella, tomatoes, and basil for a flavorful meal.

Prep duration
20 min
Time to cook
30 min
Complete duration
50 min
Created by Hannah Collins

Classification Vegetarian Favorites

Skill level Easy

Cultural Origin Italian-American

Output 4 Portion count

Dietary considerations Meat-free

Components

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)

Method

Phase 01

Preheat and Prepare Vegetables: Preheat oven to 425°F. Line a sheet pan with parchment paper.

Phase 02

Arrange and Season 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.

Phase 03

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

Phase 04

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

Phase 05

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

Phase 06

Complete Sandwich Assembly: Top each with the remaining bread slices, buttered side facing outward.

Phase 07

Cook Sandwiches: Heat a large nonstick skillet or griddle over medium heat. Cook sandwiches in batches for 3 to 4 minutes per side, until bread is golden brown and cheese melts.

Phase 08

Serve: Slice sandwiches and serve warm.

Tools needed

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

Allergy details

Review each component for potential allergens and consult with a healthcare professional if you're uncertain about any ingredients.
  • Contains wheat (bread) and milk (mozzarella, butter). Verify labels if allergies are a concern.

Nutritional breakdown (per portion)

These values are provided as estimates only and shouldn't replace professional medical guidance.
  • Energy: 420
  • Fats: 20 g
  • Carbohydrates: 44 g
  • Protein Content: 16 g