In a large bowl, cream eggs and sugar.
Add cooled melted butter and anise flavor, mix well.
In a separate bowl, whisk flour, baking powder and salt.
Slowly add the wet ingredients to the dry ingredients.
Dough should be glossy but not sticky.
If dough is too sticky add flour a little at the time.
Pinch off a small golfball size piece of dough.
Roll dough with hands to form a 8" rope.
Bend 1 1/2\" end of rope, then roll bent end over rope until end of rope is reached.
Place on either ungreased or parchment lined cookie sheet.
Be sure to keep 1" between cookies on sheet.
Bake at 350 degrees for about 15 minutes or until lightly golden.
Let cook on rack.
In a small bowl mix confectioners sugar with Sambuca.
Use enough Sambuca so that icing is thick but slightly drippy.
After cookies are cooled, ice with confectioners sugar and flavoring.
Dip top of each cookie into icing then sprinkle with non-pariels.
Let dry in a rack.