2 large sweet potatoes
1 tsp chili powder (more or less to suit your taste)
Preheat oven to 425 degrees.
Spray a large baking sheet with nonstick cooking spray.
Scrub, rinse, and towel dry the sweet potatoes; cut lengthwise into 1/2-inch thick strips. Toss with the olive or canola oil and sprinkle with the chili powder.
Spread the potato strips out on the prepared baking sheet and bake for 18 to 20 minutes at 425 degrees. Turn about halfway through the baking process.