How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Chicken Pesto Grilled Portobello Mushrooms?

You need 9 ingredients. The key ingredients include: Cooking spray, 1 small red onion, peeled and cut into 1/4-in.-thick slices (about 8 slices), 1/3 cup prepared pesto, 1 teaspoon olive oil, and more.

Is Chicken Pesto Grilled Portobello Mushrooms suitable as meat & poultry?

Yes, Chicken Pesto Grilled Portobello Mushrooms falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover Chicken Pesto Grilled Portobello Mushrooms?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Chicken Pesto Grilled Portobello Mushrooms Recipe

Name: Chicken Pesto Grilled Portobello Mushrooms
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: Cooking spray; 1 small red onion, peeled and cut into 1/4-in.-thick slices (about 8 slices); 1/3 cup prepared pesto; 1 teaspoon olive oil; 3/8 teaspoon kosher salt; 1/4 teaspoon freshly ground black pepper; 12 ounces shredded skinless, boneless rotisserie chicken breast; 4 large portobello mushrooms, stems removed; 3 ounces part-skim mozzarella cheese, shredded (about 3/4 cup)

Try this homemade Chicken Pesto Grilled Portobello Mushrooms recipe the whole family will love. Made with Cooking spray, red onion, pesto and olive oil.…

This Chicken Pesto Grilled Portobello Mushrooms relies on simple, everyday ingredients such as cooking spray, prepared pesto, olive oil and kosher salt. It comes together quickly and makes 4 servings, at about 239 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Meat & Poultry

Servings: persons

Cooking spray
1 small red onion, peeled and cut into 1/4-in.-thick slices (about 8 slices)
1/3 cup prepared pesto
1 teaspoon olive oil
3/8 teaspoon kosher salt
1/4 teaspoon freshly ground black pepper
12 ounces shredded skinless, boneless rotisserie chicken breast
4 large portobello mushrooms, stems removed
3 ounces part-skim mozzarella cheese, shredded (about 3/4 cup)

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Quick Info

Servings
4 servings
Calories
239 kcal
Category
Meat & Poultry

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