into 1/2-inch rings, discarding onion hearts. In separate container combine eggs
, milk, and beer
. Mix flour and baking powder thoroughly in separate container. Soak onions in milk mixture and coat onions in flour. This step is repeated a second time, and may be done a third time to insure that the entire onion is dusted with flour mixture. Fry
onions in a deep-fryer until golden brown.