Preheat oven at 300 degrees F. In a mixing bowl, beat the eggs and sugar. Add the anise seeds, vanilla and butter.
Mix well and then add the flour and baking powder. Blend well. The dough should be soft but not sticky.
Remove dough from bowl. Form a large hot dog and place on a pan lined with baking parchment and flatten to about one inch thick.
Bake in a preheated 350 degrees F oven for approximately half an hour until golden brown.
Slice the biscotti. You may place them on a baking sheet and toast until golden brown.
