preheat oven to 425. wash and cut potatoes and into 1/8ths. place on cookie sheet that has been lined with foil. mix all the spices and the parmesan cheese in a small bowl. place all the potatoes a pound at it I'm into a gallon size freezer bag, add olive oil and parmesan cheese spice mixture into the bag. seal the bag and shake until the potatoes are evenly coated. once thoroughly coated dump on to the prepared cookie sheet and spread in a single layer. bake for 30 to 45 minutes or until tender and lightly golden brown.