Remove the center ribs and stems from 1 bunch kale; tear the leaves into 3-to-4-inch pieces. Toss with 1 tablespoon olive oil, 1 teaspoon smoked paprika and 1/4 teaspoon salt. Spread on 2 baking sheets coated with cooking spray. Bake at 350 degrees F until browned around the edges and crisp, 12 to 15 minutes.
Per serving (about 2 cups): Calories 60; Fat 4 g (Saturated 1 g); Cholesterol 0 mg; Sodium 170 mg; Carbohydrate 6 g; Fiber 2 g; Protein 2 g