Orange Marshmallow Sauce

1/4 pound marshmallows
1 orange, juiced, and grated rind
1 egg white
1/2 cup cream, whipped
7/8 cup granulated sugar
1/8 teaspoon cream of tartar
3 tablespoon water

Cut marshmallows finely and let stand in orange juice. Place unbeaten egg white, cream of tartar, sugar and water in top of double boiler. While the water boils vigorously underneath, beat with a rotary beater until the mixture is white and fluffy. Stir in marshmallows and fruit mixture. When cool, add whipped cream just before serving.