INGREDIENTS:

2 cups all-purpose flour
2 teaspoons salt, divided

3 egg whites
1 cup milk
1 tablespoon white vinegar
3 large sweet onions, peeled and sliced into thick rings

Oil for deep frying

DIRECTIONS:

1. Heat the oil in a large heavy skillet over 
   medium-high heat, or deep-fryer to 375 degrees F

2. Place the flour in a shallow baking pan, and stir 
   in 1 teaspoon of salt

   In a medium bowl, whisk together the egg whites, 
   milk, vinegar, and remaining salt and  until frothy.

3. Dip the onion rings in the wet ingredients then 
   into the flour mixture until coated. Then dip in 
   the egg white mixture again, and then into the flour 
   again.

4. Fry onion rings in the hot oil a few at a time so 
   they are not crowded, until golden brown. 
   Drain on paper towels, and serve immediately.