Oh-So-Cool Lime Whip

Yield:	4 Servings
Categories:	Pies, Desserts

2/3	c	Sugar
1		Unflavored gelatin
1	c	Water
2	ts	Lime peel; grated
1/4	c	Lime juice
3	dr	Green food color; optional
4		Egg whites
1/2	ts	Cream of tartar
4		Egg yolks
1	c	2% lowfat milk
1/4	c	Sugar
2	tb	Orange juice; frozen concentrate
		Lime slice; for garnish