3 semifreddo cake Recipes

instant-espresso powder or instant-coffee granules, water, fine-quality bittersweet chocolate (not unsweetened), chopped, eggs, separated, granulated sugar, salt, unsweetened dutch-process cocoa powder, eggs at room temperature for 30 minutes, light brown sugar, chilled heavy cream, vanilla, malted milk powder, garnish: unsweetened dutch-process cocoa powder and chocolate curls

bittersweet chocolate, butter, plus extra for buttering the pan, egg yolks, sugar (divided use ), vanilla (divided use ), egg whites (divided use ), salt, cocoa , sifted, toasted hazelnuts, whipping cream, amaretto liqueur