01 - Preheat oven to 350°F and line a baking sheet with parchment paper.
02 - In a large bowl, mix almonds, cashews, and pecans together.
03 - Whisk olive oil, maple syrup or honey, sea salt, smoked paprika, cayenne pepper, and cinnamon in a small bowl.
04 - Pour seasoning over nuts and toss thoroughly to ensure even coverage.
05 - Spread coated nuts evenly on the prepared baking sheet in a single layer.
06 - Bake for 18 to 20 minutes, stirring once halfway through, until nuts turn golden and aromatic.
07 - Remove nuts from oven and allow them to cool completely; they will crisp as they cool.
08 - Keep cooled nuts in an airtight container at room temperature for up to one week.