01 - Preheat the oven to 350°F. Line a baking sheet with parchment paper.
02 - In a large bowl, toss the nuts with olive oil and maple syrup or honey until evenly coated.
03 - Add chili powder, smoked paprika, cumin, cinnamon, sea salt, black pepper, and optional cayenne pepper to the nuts and toss to evenly distribute the spice blend.
04 - Spread the spiced nuts in a single layer on the prepared baking sheet.
05 - Roast for 18 to 20 minutes, stirring once halfway through, until the nuts are aromatic and golden brown.
06 - Remove from oven and allow to cool completely on the baking sheet; nuts will crisp as they cool.
07 - Transfer cooled nuts to an airtight container and store at room temperature for up to one week.