Ultimate Chocolate Truffle Cookies

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   ["In a large saucepan over low heat, melt the unsweetened chocolate, 1 cup of the chocolate chips, vanilla, and butter together; stirring, until smooth.", "Remove pan from heat; cool for 10 minutes.", "In a large bowl, beat the eggs and sugar together for 2 minutes with an electric mixer on medium speed.", "Beat in the vanilla and chocolate mixture.", "Combine the flour, cocoa powder, baking powder, and salt; add to the chocolate mixture just until combined.", "Stir in the remaining chocolate chips.", "Cover dough and chill for at least 3 hours.", "Remove about 1 cup of the dough from the refrigerator; with lightly floured hands, roll into 1"" balls.", "Place 2"" apart on ungreased or parchment paper-lined cookie sheets.", "Bake in a preheated 350*F.", "oven for 10-12 minutes, or until lightly puffed and set.", "Cool for 3-4 minutes on the cookie sheets before removing to a wire rack; cool completely.", "Dust with powdered sugar."]

* Per serving · 4 servings · Values may vary.