Vanilla Bread Pudding

Yield:	8 Servings
Categories:

1		Loaf challah or brioche; (1-lb.) cut into 1-in. slices
6		Egg yolks
6		Whole eggs
2	c	Half-and-half
1	c	Milk
3/4	c	Sugar
2	tb	Vanilla extract
1	pn	Salt
1	tb	Unsalted butter; (for coating baking dish)
		Powdered sugar; (for sprinkling)