Frizzled Onion

Directions

1. 1
   Very thinly slice onion lengthwise with slicer.
2. 2
   Heat 2 inches oil in a 2-quart heavy saucepan over moderate heat until thermometer registers 340F, then fry onion in 6 batches, stirring occasionally, until golden brown, 1 to 1 1/2 minutes per batch (watch closely; onion can burn easily).
3. 3
   Quickly transfer each batch with a slotted spoon to fresh paper towels to drain, then sprinkle lightly with salt.
4. 4
   (Onion will crisp as it cools.)
5. 5
   Return oil to 340F between batches.