1 whole Large Onion
2 cups Buttermilk
2 cups All-purpose Flour
1 Tablespoon (scant) Salt
¼ teaspoons (to 1/2 Teaspoon) Cayenne Pepper
1 quart (to 2 Quarts) Canola Oil
Black Pepper To Taste
Slice onion very thin. Place in a baking dish and cover with buttermilk and soak for at least an hour.
Combine dry ingredients and set aside.
Heat oil to 375 degrees.
Grab a handful of onions, throw into the flour mixture, tap to shake off excess, and PLUNGE into hot oil. Fry for a few minutes and remove as soon as golden brown.