Cauliflower Parmesan Is Vegetarian Comfort Food At Its Finest

Name: Cauliflower Parmesan Is Vegetarian Comfort Food At Its Finest
Ingredients: 1 large head cauliflower, stem trimmed and cut vertically into 1" planks; 3 tbsp. extra-virgin olive oil; Kosher salt; Freshly ground black pepper; 1 1/2 c.; 1/4 c. freshly grated Parmesan, divided; 1 shredded mozzarella cheese; 1/4 c. basil leaves, torn if large; Crushed red pepper flakes