Kale Chips This Kale Chip recipe is a quick, easy, nutrient-packed snack with only three ingredients! 3 cups kale (3 cups of kale is about 10 large leaves)2 teaspoon olive oil⅛ teaspoon salt (optional) Preheat the oven to 350°F.Clean the kitchen area and wash hands with soap and water.Gently rub fresh produce under cold running