INGREDIENTS :
3 c. shredded mozzarella, divided
1/2 c. freshly grated Parmesan, plus more for serving
3 cloves garlic, minced
1 1/2 c. marinara
1 tbsp. freshly chopped parsley, plus more for garnish
Pinch of crushed red pepper flakes
Kosher salt
Freshly ground black pepper