Ingredients:

• 8 large portobello mushroom caps (about 4 inches)
• 1/4 cup olive oil, plus more for greasing the grill
• 1 teaspoon kosher salt
• 1 1/2 cups shredded low-moisture mozzarella cheese (part-skim or whole milk)
• 1/2 cup pizza sauce, jarred or homemade
• 1/2 cup topping(s) of choice, such as pepperoni, chopped onion, diced bell pepper, and/or sliced olives (optional)
• Fresh oregano or torn fresh basil leaves, to garnish (optional)