Lean Chocolate Biscotti

Yield:	20 Servings
Categories:	Italian, Cookies, Low-Fat, Desserts

1/4	c	Butter Or Margarine; at room temp
1/2	c	Sugar
4	lg	Egg Whites
2	c	All-Purpose Flour
1/3	c	Unsweetened Cocoa Powder
2	ts	Baking Powder
1/3	c	Powdered Sugar
2	ts	Milk; approx