Seasoned Sweet Potato Fries

One large sweet potato
1/4 cup egg whites
1/2 tsp onion powder
1/2 tsp garlic powder
1/2 tsp paprika
1/2 tsp chili powder

Chop up sweet potato with a crinkle cutter, or a regular knife
Put your sweet potato fries in big zip lock bag. Pour your liquid coating in the bag and SHAKE until all fries are coated evenly.
Spray a baking sheet completely with non-stick cooking spray

Place in oven at 425 for 30 minutes, turning them half way through.