Ok, these are really good. You should try this.
The batter is light and crisp and any leftovers you have (if any, ha) holds up very well to freezing and re-heating in the oven!
1 large Walla Walla sweet onion, sliced
1 carton of buttermilk
Soak rings in buttermilk for at least 1 hour.
Fill a paper bag with about 2 cups of flour.
Drop in onion rings and shake to coat.
Let rings rest on a rack while you make the batter.
1 1/2 C flour
1 T baking powder
1 tsp seasoned salt (such as Lawry's)
Dash of cayenne pepper
1 bottle of beer
Combine flour, cayenne pepper, seasoned salt and baking powder.
Slowly add 1 bottle of beer - should be thick like pancake batter
Dip rings into batter, shake off excess batter.
Deep fry at 350-375 for about 3 min. or until golden brown.
Make sure to cool on paper towels to absorb the excess oil - otherwise the rings will be 'juicy' with oil - not pleasant at all.
**NOTE: if you want to keep them warm in the oven before serving, keep the temp at 200F. I tried it at 270F, and they ended up hard and dried out. ;-(