Onion Rings

Directions

1. 1
   Preheat oven to 250F.
2. 2
   Soak onion slices in a large bowl of ice water 10 minutes; drain and pat dry with paper towels.
3. 3
   In a large bowl, whisk together flour, cornstarch, baking powder, 1 teaspoon salt, and seltzer.
4. 4
   In a large heavy pot, heat oil over high until a deep-fry (or candy) thermometer registers 375F.
5. 5
   Working in seven or eight batches, place onion in batter, coating completely; using your fingers, lift out, letting excess drip back into bowl.
6. 6
   Carefully lower onion slices into oil, making sure not to overcrowd pot; cook until golden brown, 2 to 3 minutes.
7. 7
   Use a spidera wide and shallow wire skimmeror a big slotted spoon to transfer onion rings to a paper towel-lined baking sheet, and season with salt.
8. 8
   Keep warm in the oven.
9. 9
   Return cooking oil to 375F before coating more onion with batter and frying.
10. 10
    After the last batch is cooked, place onion rings on a platter.
11. 11
    Carefully lower parsley into pot (oil will spatter), and fry until crisp, about 10 seconds; transfer to baking sheet with a spider or slotted spoon, and season with salt.
12. 12
    Sprinkle parsley over the onion rings, and serve immediately.