Onion Rings
["1 1/2 c. flour", "1 tsp. salt", "1 1/2 c. beer", "3 large onions"]
["Combine flour and salt; stir in beer and beat until smooth. Let batter stand for 3 hours.", "Cut onions into 1/2-inch slices and dip into batter.", "Fry in hot oil until golden brown."]
["flour", "salt", "beer", "onions"]