01 - Heat oven to 400°F and line a baking sheet with parchment paper.
02 - Pat chickpeas dry thoroughly with a clean towel to remove excess moisture for optimal crispiness.
03 - Combine chickpeas with olive oil, cumin, chili powder, smoked paprika, garlic powder, cayenne pepper if desired, and sea salt until evenly coated.
04 - Spread the seasoned chickpeas in a single layer on the prepared sheet.
05 - Bake for 30 to 35 minutes, stirring or shaking the pan halfway through, until golden, crisp, and aromatic.
06 - Remove from oven and allow chickpeas to cool for 10 minutes to enhance crunchiness.
07 - Optionally toss with chopped cilantro and a squeeze of lime juice before serving.