Sachertorte

Name: Sachertorte
Prep time: 1 h 30 min
Total time: 1 h 30 min
Yield: Makes two 6-inch cakes
Cuisine: Austrian
Ingredients: 100 grams (3½ ounces) granulated sugar; 55 grams (2 ounces) confectioners’ sugar; 500 grams (1 pound, 1½ ounces) apricot jam; 110 grams (3¾ ounces) unsweetened chocolate, chopped into bits; Butter and flour for the pans; 6 large egg whites, at room temperature; 30 milliliters (2 tablespoons) rum; 300 grams (11 ounces) unsweetened chocolate, melted; 6 large egg yolks, at room temperature; 110 grams (3¾ ounces) unsalted butter, at room temperature; 110 grams (3¾ ounces) cake flour, sifted; 1 recipe Fondant Décor façon Colette