Yeast Hamentaschen

Yield:	15 Servings
Categories:	Breads

2		Cakes fresh yeast
1/4	c	Lukewarm water
1 1/2	ts	Salt
1/2	c	Sugar
1/2	c	Melted shortening
1	c	Water; or water in which peeled potatoes have been cooked
5	c	Sifted flour (about)
3		Eggs; beaten
		Egg yolk for glaze