01 - Preheat oven to 300°F. Line a large baking sheet with parchment paper.
02 - Whisk the egg white and water in a large bowl until frothy. Stir in vanilla extract.
03 - Add almonds to the egg wash and toss until evenly coated.
04 - Combine sugar, cinnamon, and salt in a separate bowl. Sprinkle evenly over almonds and stir to coat thoroughly.
05 - Spread coated almonds in a single layer on the prepared baking sheet.
06 - Bake for 25 minutes, stirring once halfway through, until almonds turn golden and emit a fragrant aroma.
07 - Remove almonds from oven and allow them to cool completely; they will crisp as they cool. Store in an airtight container.