Preheat oven at 450. Prepare baking sheet with cooking spray. Cut potatoes in half lengthwise. Slice each half into lengthwise wedges with some peel on each piece. Soak in cold water for 20 minutes. Drain and dry potatoes. Place potatoes into plastic bag or large plastic bowl with tight fitting lid. Arrange potatoes in single layer on baking sheet. Bake for about 20 minutes, stirring occasionally. To season, sprinkle with salt, pepper, chili powder and paprika.