Favorite Fried Onion Rings
["1 extra large Spanish onion or 3 large Bermuda onions", "about 1 qt. milk", "1 c. all-purpose flour", "1 tsp. salt", "2 eggs", "1 Tbsp. vegetable oil", "vegetable oil"]
["Peel onion; cut into 1/4-inch slices and separate into rings. Place rings in large bowl.", "Cover with milk.", "Refrigerate 30 minutes.", "Drain on paper towels, reserving 2/3 cup milk.", "Combine flour and salt; stir well.", "Add eggs, reserved milk and 1 tablespoon oil; beat until smooth."]
["onion", "milk", "flour", "salt", "eggs", "vegetable oil", "vegetable oil"]