Preheat the oven to 425 degrees F.
Place the kale leaves on baking sheet sprayed with nonstick spray. Spritz with olive oil spray and sprinkle lightly with salt.
Bake in the oven until crispy, 5 to 8 minutes, for a potato-chip-like snack.
PER SERVING (entire recipe): 64 calories, 1g fat, 212mg sodium, 13g carbs, 2.5g fiber, 0g sugars, 4.25g protein