Crustless Spinach and Mushroom Quiche Recipe

• 1 (10 oz.) package frozen spinach, thawed and excess water squeezed out
• 8 oz. mushrooms, chopped
• 2 eggs
• 2 egg whites
• 1 cup ricotta cheese
• 1 cup cottage cheese
• ½ cup parmesan cheese, freshly grated
• 2 cups mozzarella cheese, divided
• ¼ cup flour
• 1 tsp salt
• ¼ tsp pepper

Directions