Fluffy Citrus Dressing
["1 egg", "1/2 c. sugar", "1 c. whipping cream, whipped", "1 Tbsp. grated orange peel", "2 tsp. grated lemon peel", "2 Tbsp. lemon juice"]
["In saucepan, beat egg.", "Add sugar, fruit peels and lemon juice.", "Cook and stir over low heat until thick (about 5 minutes). Cool thoroughly.", "Fold in whipped cream.", "Chill.", "Makes 2 1/3 cups."]
["egg", "sugar", "whipping cream", "lemon juice"]