01 - Set oven temperature to 400°F and line a baking sheet with parchment paper.
02 - Pat chickpeas thoroughly dry with a clean kitchen towel, removing any loose skins to enhance crispness.
03 - In a large bowl, combine chickpeas with olive oil, ground cumin, chili powder, smoked paprika, cayenne pepper if using, sea salt, and black pepper; toss to coat evenly.
04 - Spread the seasoned chickpeas evenly in a single layer on the prepared baking sheet.
05 - Roast for 25 to 30 minutes, shaking the pan halfway through, until chickpeas are golden brown and crisp.
06 - Allow chickpeas to cool slightly before serving warm or at room temperature, garnished with chopped cilantro and a squeeze of lime if desired.