Drain the peaches and collect the juice. Mix cream, peach juice, liqueur and vanilla sugar. Beat the egg whites until very stiff, allow the sugar to trickle in. Cut the cake into slices and place in a large casserole dish.
Spread peach halves on top. Pour on cream-peach juice mixture. Spread the beaten egg white on the casserole. Sprinkle with brown sugar and flaked almonds and sprinkle i