Manfred Loeb's Six-Braided Challah

Yield:	2 Servings
Categories:	Jewish, Breads

2	pk	Active dry yeast
1/4	c	Sugar; up to 1/2 cup
1 1/4	c	Warm water
5	c	Bread flour; (5 to 6 cups)
2	ts	Salt
3	lg	Eggs
1/4	c	Vegetable shortening
1		Handful sesame or poppy seeds
		Cornmeal for dusting