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["Cake --", "Beat egg yolks, sugar and salt until thick and lemon-colored.", "Sift flour and cocoa together; add gradually to egg yolk mixture (batter will be quite stiff).", "Beat egg whites until foamy; add cream of tartar.", "Beat until egg whites are stiff but not dry.", "Fold egg whites gradually into egg yolk mixture.", "Spoon batter into buttered and floured 10"" springform pan;", "Bake in a 325u00b0 oven 1 hour and 25 minutes, until toothpick comes out clean.", "Cool in pan 5 minutes on rack; remove springform sides.", "Invert cake on rack; remove springform bottom.", "Cool.", "Chocolate Cream --", "Beat egg yolks, sugar, and salt in a small mixing bowl until sugar is dissolved and mixture forms ribbons.", "Beat in chocolate and coffee; beat at medium speed until smooth.", "Beat in butter, 1 tablespoons at a time, beating well after each addition, until smooth and fluffy.", "Assembly --", "Cut cake horizontally into 3 layers.", "Spread about 1 cup of the chocolate cream between layers.", "Spread remaining cream on sides and top.", "Press chocolate sprinkles onto top and sides of cake."]