Onion Rings

Procedure

1. Combine the egg yolks and club soda in a bowl.
2. Sift together the flour, baking powder, and salt.
3. Add the dry ingredients to the liquid and mix to make a smooth batter.
4. Whip the egg whites to soft peaks.
5. Fold into the batter.
6. Peel the onions and cut crosswise into ¼