Norwegian Beer Soup

Preparation:

Preparation: Simmer 4 slices of stale wholemeal bread for 5 minutes in 50 cl of water. Pass everything through a sieve and put it back on the heat with 50 cl of light beer, 1 spoonful of sugar and the peel of a lemon. Bring to a boil and remove from heat. Season with 2 egg yolks beaten with 1 cup of cream, salt and pepper. Serve immediately.