Easy Spinach and Cheese Stuffed Portobello Mushrooms - Recipes by Clare

Ingredients

• 4 large portobello mushroom caps, stems and gills removed
• 2 tablespoons olive oil, divided
• 1 teaspoon minced garlic
• 1/2 cup finely chopped onion
• 2 cups fresh spinach, roughly chopped
• 1/2 cup ricotta cheese
• 1/4 cup grated Parmesan cheese, plus extra for garnish
• 1/4 teaspoon salt
• 1/4 teaspoon black pepper
• 1/4 teaspoon nutmeg (optional)
• 1/2 cup shredded mozzarella cheese