3/4 c. sugar
1 1/2 tsp. unflavored gelatin

2 tbsp. lemon juice
3/4 c. orange juice
2 tbsp. grated orange rind

Bring to boil, cook.

1 c. milk

Pour in pan. Freeze to a mush (about 1 hour). Beat in chilled bowl with blender until creamy.

1 egg white, stiffly beaten

Return to pan. Freeze until firm, stirring occasionally.