Chocolate Macarons

Name: Chocolate Macarons
Ingredients: 1 cup (100 gr) powdered sugar; ½ cup powdered almonds (about 2 ounces, 50 gr, sliced almonds, pulverized); 3 tablespoons (25 gr) unsweetened Dutch-process cocoa powder; 2 large egg whites, at room temperature; 5 tablespoons (65 gr) granulated sugar; ½ cup (125 ml) heavy cream; 2 teaspoons light corn syrup; 4 ounces (120 gr) bittersweet or semisweet chocolate, finely chopped; 1 tablespoon (15 gr) butter, cut into small pieces; 15 medium prunes (pitted), about 5 ounces (150 gr) prunes; 2½ ounces (70 gr) best-quality milk chocolate, finely chopped; 2 tablespoons Armagnac