Grilled Portobello Caprese Sandwich Recipe - WhitneyBond.com (2024)

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This vegetarian, gluten free Italian Grilled Portobello Caprese Sandwich combines fresh mozzarella, tomatoes & basil between two large portobello mushrooms.

Welcome to “Sandwich Week” on the blog where you’ll find recipes for BLT Chipotle Chicken Sandwiches, Greek Chicken Salad Sandwiches and this delicious vegetarian Portobello Caprese Sandwich!

While I usually love a couple slices of delicious bread to hold my sandwich together, I decided to go totally vegetarian and totally gluten free with this Portobello Caprese Sandwich.

Two hearty portobello mushrooms filled with fresh mozzarella, sun dried tomato pesto and loads of other delicious flavors make this is a unique sandwich not to be missed!

Portobello Caprese Sandwich Ingredients

• 2 large portobello mushrooms
• 2 tbsp sun dried tomato pesto
• 1 tspgarlic (crushed)
• 1/2 cup fresh mozzarella cheese (sliced)
• 1/2 roma tomato (sliced)
• 4-6 large fresh basil leaves
• 1/4 cup sliced peperoncinis
• 1/2 cup roasted bell peppers
• olive oil cooking spray

Portobello Caprese Sandwich Instructions

Turn heat on the grill to medium or preheat the oven to 400°F.

Clean out the inside of the mushrooms with a spoon. During this process, try not to break the sides of the mushroom. (You want to be sure and keep all those delicious goodies inside the sandwich during the grilling process!)

Place 1 tbsp of pesto and 1/2 tsp of crushed garlic onto each mushroom.

Top each portobello with a large slice of mozzarella.

Top one of the mushrooms with the sliced tomatoes.

Then add thebasil.

On the other mushroom, top with the peperoncini’s.

Then the roasted bell peppers.

Carefully put the two sides together.

Spray the grill with cooking spray then place the sandwich onto the grill for 20 minutes, flipping carefully half way through.

If a grill is not available, you can also place the sandwich into the oven on a rimmed baking sheet for 20 minutes or until the mozzarella is melted.

Remove from the grill and dig in!

So much melty goodness and flavor in every bite!

The portobello mushroom is so meaty, making it the perfect exterior for this vegetarian sandwich!

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originally published July 17, 2013 — last updated March 6, 2019 2 Comments

Posted in: Dinner Recipes, Gluten Free Recipes, Grilling Recipes, Italian Recipes, Method, Quick and Easy Recipes, Recipes, Vegetarian Recipes