Hazırlanışı
1Preheat oven to 350°F with a rack in upper third of oven.
2Peel potatoes and thinly cut into 1/8 inch thick slices, using slicer if desired.
3Discard dark green part of leek and halve white and light green part lengthwise. Rinse layers under running water to remove any dirt and grit and pat dry. Thinly slice crosswise.