Cauliflower Parmesan

Ingredients (9)

• 1 large head cauliflower (about 2 pounds)
• 1 tablespoon olive oil, plus more for baking sheet
• Salt, to taste
• Freshly ground black pepper, to taste
• 1 (28-ounce) can whole peeled tomatoes
• 1 clove garlic, chopped 
• 1/4 cup fresh basil leaves
• 6 ounces shredded mozzarella cheese
• 3/4 cup grated pecorino cheese, or Parmesan cheese