"Fish and Chips"

Directions

1. 1
   Preheat oven to 375F.
2. 2
   Stir together creme fraiche, zest, chives, and salt to taste.
3. 3
   Chill topping until ready to use.
4. 4
   Brush 2 large baking sheets generously with some oil.
5. 5
   Cut potatoes crosswise on a slight diagonal into 1/8 -inch-thick slices with mandoline.
6. 6
   Cut out 80 potato stars with cutter and arrange in 1 layer on baking sheets.
7. 7
   Brush tops with more oil and season with salt.
8. 8
   Bake stars in batches in middle of oven until golden and crisp, about 10 minutes (stars may curl).
9. 9
   Immediately transfer stars carefully with a metal spatula to paper towels to drain and cool (stars will continue to crisp).
10. 10
    Serve stars topped with creme fraiche and caviar.