Pineapple Buttermilk Sherbet

Yield:	1 Servings
Categories:	Desserts, Frozen

1	tb	Unflavored Gelatin; 1 Envelope
1/4	c	Water
2	c	Buttermilk
1/2	c	Sugar
1	c	Crushed Pineapple
1		Egg White
1	ts	Vanilla