Lemon Lustfully

1/2 cup lemon juice
1/4 cup orange juice
1/4 cup sugar
1 tsp finely chopped lemon zest
1/4 cup water
1 egg white

Combine the lemon juice, orange juice, sugar, lemon zest, and water in a small bowl and stir to dissolve the sugar. Ice cream maker method: Cover the citrus mixture and refrigerate for 2 hours, until well chilled. In a separate bowl, beat the egg white until stiff and fold into the chilled citrus mixture. Pour into an ice cream maker and freeze according to the manufacturer's directions. Food processor method: Pour the citrus mixture into ice cube trays and freeze. Place the frozen mixture in an electric food processor and add the beaten egg white. Process until smooth. Serves 4.