Preheat the oven to 300 degrees. Wash and dry the kale, making sure it is very dry. If the leaves are wet at all, they won’t get crispy. Remove the leaves from the stems. Discard stems Cut or tear into chip-sized pieces.
Drizzle the olive oil over the kale and use your hands to massage it gently into the leaves. Try and make sure all the leaves are lightly coated with oil, adding a tiny bit more oil if needed. Be careful not to add too much. Sprinkle with garlic powder, salt, and pepper.