Lemon Pistachio Biscotti

Yield:	24 Servings
Categories:	Cookies, Italian, Desserts

5	tb	Butter
1/2	c	Sugar
1 1/2	ts	Lemon peel; grated
2	lg	Eggs
1	ts	Vanilla
2	c	Flour
2	ts	Baking powder
1	c	Pistachio nuts; coarsely chopped
1	c	Powdered sugar; sifted
1/2	ts	Lemon peel; grated
1 1/2	ts	Lemon juice