Sheet-Pan Roasted Veggie Caprese

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 because it combines fresh, healthy ingredients with the comfort of melted cheese, making it a family favorite.

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.

Pin

This sandwich always brings my family together around the table for a warm comforting meal.

Serving Suggestions

Serve with a side of tomato soup or a fresh green salad for a complete meal.

Storage Tips

Store leftovers in an airtight container and reheat in a skillet for best texture.

Variations

Try swapping in seasonal vegetables like eggplant or mushrooms for variety or add crushed red pepper for a spicy kick.

Pin

A simple yet flavorful sandwich perfect for any day, ready in under an hour.

Recipe Q&A

→ What vegetables work best for roasting?

Zucchini, red bell peppers, and red onions caramelize beautifully in the oven, offering tender, flavorful textures ideal for layering.

→ Can I substitute mozzarella with another cheese?

Fresh mozzarella melts wonderfully, but mild provolone or fontina can provide similar creaminess and flavor.

→ How do I achieve a crispy bread crust?

Butter the bread slices and cook on medium heat in a skillet or griddle until golden brown and crisp on both sides.

→ Is balsamic glaze necessary?

Balsamic glaze adds a sweet tang that enhances the dish but can be omitted based on preference.

→ Can seasonal veggies be swapped?

Yes, eggplant, mushrooms, or other seasonal vegetables can be used for variety and flavor adjustments.