Heat oil in a deep-fryer to 365° F

Separate onion slices into rings and set aside.

In a small bowl, stir together flour and salt.

Dip onion slices into flour mixture until they are all coated and set aside.

Whisk egg and milk into flour mixture using a fork. Dip floured rings into batter to coat, then place on separate plate.

Spread bread crumbs in shallow dish. Place rings one at a time into crumbs and coat completely.

Deep fry the rings a few at a time for 2 to 3 minutes, or until golden brown. Place on paper towels to drain.

Season to taste!