01 - Set the oven to 400°F. Line a baking sheet with parchment paper.
02 - Pat chickpeas dry thoroughly with a clean kitchen towel and remove loose skins for maximum crispiness.
03 - Toss chickpeas in a large bowl with olive oil, cumin, chili powder, smoked paprika, optional cayenne pepper, sea salt, and black pepper until evenly coated.
04 - Spread seasoned chickpeas in a single layer on the prepared baking sheet.
05 - Roast for 25 to 30 minutes, shaking the baking sheet halfway through, until the chickpeas are golden and crisp.
06 - Allow to cool slightly. Serve warm or at room temperature, garnished with chopped cilantro and a squeeze of lime, if desired.