Article in English: Pat them with a paper towel to absorb some of the water on them. Let them air dry on a clean surface for at least 10 minutes. Make sure they are completely dry before storing them. If you try to store them when they’re wet, they will quickly become wilted and slimy. The kale is good until it becomes yellow, wilted, or slimy. Mix the kale with some of your favorite vegetables to make a salad, or search online for creative recipes that feature kale.

Summary in Indonesian:
Keringkan daun. Gunakan kale dalam 1-2 minggu.