Tonight Joanna came over for dinner for potatoe pancakes. I finally was cooking for someone who is a cook expert. Some nice advice from Joanna was to use butter instead of corn oil. And also not to put as much butter on the pan as I did. We made an experiment. In one frying pan we had potatoe pancakes cooked with corn oil and in the other with butter. The ones with butter tasted much better. So from now on - no corn oil!