- Heat oven to 450 degrees. Spray 2 large cookie sheets with cooking spray.

Cut potatoes into 4x1/2-inch strips. In shallow dish, mix water and egg whites with wire whisk or fork. In another shallow dish, mix bread crumbs, cheese, salt, black pepper and red pepper. Working in batches, dip sweet potatoes into egg white mixture, roll in bread crumb mixture. Place potatoes in single layer on cookie sheets. Spray potatoes with cooking spray about 10 seconds.

Bake 18-20 minutes, turning after 10 minutes, until crisp.