Preheat oven to 350'F.
Wash kale and take off ribs, then cut or rip leaves into 'chip' size pieces. Throw them all in a gallon size ziplock with a capful of olive oil and shake. Lay them out on a cookie sheet, salt and pepper and bake for 12ish minutes- watch them- if they still look like they have moisture in them, keep baking. Here is a before and after pic: