Bucatini with Butter-Roasted Tomato Sauce

Ingredients

• garlic cloves
• unsalted butter
• ounce can whole peeled tomatoes
• anchovy fillets packed in oil
• teaspoon crushed red pepper flakes, plus more for serving
• Kosher salt
• Freshly ground black pepper
• ounces bucatini or spaghetti
• Finely grated Parmesan