Crispy French Onion Rings
["1 c. all-purpose flour", "1/4 tsp. salt", "1/2 c. evaporated milk", "2 Tbsp. salad oil", "1 egg white, unbeaten", "6 Tbsp. water"]
["Mix flour, salt, milk, oil and egg white; beat until smooth. Add enough water to make a medium thin batter (about 6 tablespoons).", "Peel 2 to 3 large onions; slice about 1/4 inch thick and separate into rings.", "Dip rings into batter and drop in hot oil.", "This makes a lot of onion rings."]
["flour", "salt", "milk", "salad oil", "egg", "water"]