Preheat oven to 500℉.

Add olive oil to a deep, 12-inch or larger oven-safe skillet over medium heat. Add garlic, saute 1 minute, add spinach, saute 3-5 minutes. Sprinkle salt and pepper and crushed red pepper if using. Add tomatoes, basil, and oregano and stir well. Reduce heat simmer 5 minutes.

Add 4 cups water and dry pasta, bring to a boil, cover reduce heat to a low boil and cook, stirring occasionally, for 10-15 minutes or until noodles are tender.

Stir in ricotta and parmesan cheese and season with salt and pepper to taste. Sprinkle mozzarella evenly on top.

Place in oven for 10 minutes until hot and bubbly.