Parmesan Roasted Broccoli with Balsamic Drizzle

Bahan-bahan (4 porsi)

• 1 pound (16 ounces) broccoli florets, cut into bite-sized pieces (from 2 pounds or about 1 ½ bunches of broccoli)
• 2 tablespoons extra-virgin olive oil
• Salt
• ½ cup grated Parmesan cheese*
• 1 to 2 tablespoons thick balsamic vinegar**
• Lemon zest from ½ to 1 lemon, preferably organic
• Pinch of red pepper flakes (omit if sensitive to spice)
• Pinch of flaky sea salt or kosher salt