Preheat oven to 350 degrees. In a bowl cream butter and sugar until fluffy. Add eggs one at a time, then beat in orange juice and extract. In another bowl whisk flour, baking powder, and salt; then gradually beat into creamed mixture. Refrigerate, covered, 1 hour. Grease a mini-muffin pan, then tablespoon size ball of dough into bottom and up sides of muffin cups.Bake 7-9 Minutes until edges are light brown. Cool 2 minutes then dust with confectioner's sugar. Bring cream to a boil, then pour over chocolate in a small bowl, whisk until smooth.Refrigerate 1 hour then pipe into cookie cups.