Lightly coat a 15x10x1-inch baking pan with nonstick cooking spray; set aside.
In a large bowl lightly beat the egg white with a fork. Add pecans and toss to coat. In a small bowl stir together sugar and ground red pepper. Add to pecans and toss to coat.
Spread pecans in the prepared pan. Bake in a 325 degree F oven for 20 minutes. Spread on a piece of foil; cool completely. Makes about 8 cups.