Spinach, Mushroom, and Ricotta Stuffed Zucchini Boats

Ingredients (Serves 4)

• 4 medium zucchinis

• 2 tbsp olive oil

• 1 small onion, finely chopped

• 2–3 garlic cloves, minced

• 2 cups fresh spinach, chopped

• 1 ½ cups mushrooms, sliced

• 1 cup ricotta cheese

• ½ cup grated Parmesan cheese (plus extra for topping)

• ½ cup shredded mozzarella cheese

• 1 egg (optional, for binding)

• ½ tsp dried oregano or Italian seasoning

• Salt and black pepper, to taste