Mocha ice cream cake with Champagne snaps

Name: Mocha ice cream cake with Champagne snaps
Prep time: 35 min
Cook time: 9 h 40 min
Total time: 9 h 40 min
Yield: 12 slices
Ingredients: 80 g raw sugar; 400 g pouring (whipping) cream; 1 tsp natural vanilla extract; 1 egg white; 1 tbsp instant granulated coffee; 1 pinch salt; 60 g slivered almonds; 100 g raw sugar; 300 g pouring (whipping) cream; 200 g dark chocolate (70% cocoa); 1 egg yolk; 2 eggs; 1 tsp natural vanilla extract; 2 tbsp brewed espresso coffee; butter; 40 g flaked almonds; 130 g raw sugar; 100 g champagne