Spread the chickpeas in a single layer on the prepared sheet, leaving space around each bean.
Roast for 30 minutes, shaking the pan every 10 minutes to ensure even browning, until golden and crackling.
Remove from oven and let cool on the baking sheet for 5 minutes before serving.
Notes
Let the chickpeas cool completely before storing in an airtight container at room temperature for up to 3 days.Avoid refrigeration to maintain crispness; for make-ahead prep, toss the dried beans with oil and spices up to a day in advance and roast just before serving.