In a medium bowl, combine Parmesan cheese, parsley flakes, herb seasoning, garlic salt and cayenne pepper. Set aside.
In a separate medium bowl, beat egg white until frothy.
Add walnut halves and pieces. Toss to coat.
Add walnuts to cheese mixture. Mix thoroughly.
Spread in a single layer on a lightly oiled baking sheet. Bake in 250° F oven for about 30 minutes, until golden and crisp.
Cool and store re in an airtight container.
Key Ingredients: Parsley, Garlic, Egg, Pepper, Walnuts, Parmesan cheese, herbs, cayenne