Step 1

Preheat oven to 250°.

Step 2

Combine sugar, cinnamon, and salt together, in a small bowl.

Step 3

In a large bowl whisk egg white and vanilla together until foamy. Fold the walnuts into the egg-white mixture.

Step 4

Pour the cinnamon sugar over the top of the walnut mixture and stir together until the walnuts are well coated.

Step 5

Spread the walnuts on a parchment-lined baking sheet.

Step 6

Bake in the preheated oven for 45 minutes to 1 hour. Stirring every 15 minutes until walnuts are evenly browned.