Chocolate Dessert Salami

Name: Chocolate Dessert Salami
Prep time: 10 min
Cook time: 15 min
Total time: 25 min
Cuisine: Italian
Ingredients: 1/2 cup slivered almonds (2 1/2 ounces); 1/2 cup chopped walnuts (2 1/2 ounces); Two 5 inch long plain biscotti, coarsely crushed; 6 tablespoons (3/4 stick) unsalted butter, cut into 1/2-inch pieces, at room temperature; One 12-ounce bag semisweet chocolate chips, such as Ghirardelli; 1/4 cup brewed coffee; 1 teaspoon grated orange zest (about 1/2 medium orange); 1/2 cup confectioners' sugar