Source: Golda Meir Hadassah 50th Anniversary Cookbook With Love, From Generation...To Generation
1 egg, separated
1/2 cup water
1 tablespoon vegetable oil
1 teaspoon salt
2/3 cup sifted flour
Vegetable oil (for frying)
3 Granny Smith apples
Beat egg yolk with water, oil and salt. Add flour and beat until smooth. Let stand at room temperature for about an hour.
Preheat oil in deep-fryer to 375 degrees F.
Peel and core apples, then cut into 1/4-inch rings. Beat egg white until stiff; fold into batter. Deep-fry, turning once, until golden brown. Drain on paper towel. Dust with confectioners' sugar before serving.