Step 1: Trim Florets. Use a chef's knife to cut the broccoli head into florets.
Step 2: Season and Toss. Toss broccoli florets with olive oil, red pepper flakes, salt, and pepper. Roast for 15 minutes at 425°F.
Step 3: Top It Off. Finish off the roasted broccoli with a light hand of freshly grated Parmesan cheese.
