1 large onion cut into slices about 1/4 inches thick
1 1/4 cup all-purpose flour
1 tsp baking powder
1 tsp salt
1 cup milk (or as needed)
3/4 cup dried bread crumbs
Seasoning salt to taste
1 quart oil for frying
Heat the oil in your deep fryer to 365 F
Carefully separate the onion into rings. In a small bowl mix the flour and next two ingredients.
Dip each of the onion rings into the flour mixture and then place aside. Using a fork combine the egg and milk into the flour mixture. Next take the flour coated rings and dip into the batter coating them well. Place on rack to let them drain off any excess batter. Spread bread crumbs on shallow dish and dip each individual ring into the crumbs coating them on each side. Shake excess crumbs off.
Deep fry 3 or 4 rings at a time cooking them for at least 3 minutes or until golden brown. Place on paper towel to remove excess grease, repeat for remaining rings. sprinkle with seasoning salt and enjoy.