Put the cherries in a sieve, collect the juice. Stir 5 tbsp. juice and pudding powder until smooth. Boil up the rest of the juice. Stir in the pudding powder and simmer for about 1 minute while stirring. Add the cherries, mix well and let it cool down a bit.
Mix eggs, milk, sugar, vanillin sugar and salt. Cut bread slices diagonally in half, turn briefly in the egg mixture and alternate with the stewed cherries in an ovenproof dish. Finally, carefully pour the remaining egg mixture from the rim into the casserole dish.
Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 15-20 minutes. If necessary, cover the last minutes with aluminium foil. In the meantime, carefully roast the almonds in a pan without fat and remove them.
Remove the casserole and sprinkle with flaked almonds and icing sugar. Sprinkle with vanilla sauce.