Remove broccoli rabe from water and drain well in a colander.
Transfer broccoli rabe to a baking dish and toss with garlic, olive oil, salt, black pepper, and crushed red pepper flakes.
Roast in the oven for 15-20 minutes until tender and slightly crispy.
Notes
This simple roasted broccoli rabe is perfect as a side dish for Italian meals or grilled meats. Adjust the crushed red pepper flakes to your preferred spice level.