Preheat the oven to 250 degrees F. Lightly oil a rimmed baking sheet.
Whisk together the egg white, curry powder and sugar in a medium bowl until thoroughly blended and slightly foamy. Add the cashews and toss to coat evenly. Spread on the prepared baking sheet and bake for 45 minutes, stirring every 15 minutes. Nuts will be fragrant and slightly darker but still a bit moist; they?ll crisp as they cool.
Cool completely on the pan. Nuts will keep in an airtight container for up to 5 days.
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