Fine Fish Soup

Ingredients

• fish
• water
• salt
• 1 egg yolk egg yolk
• fine bread slices

Instructions

1. Scale and clean the fish, then cut it into slices. Place in a pot with water and salt, and cook until done.
2. Meanwhile, prepare a mayonnaise using one egg yolk per serving. When the fish broth begins to boil, strain it through a colander. Remove the broth from the heat and gently incorporate the mayonnaise while stirring constantly, taking care not to break the emulsion.
3. Serve with very thin bread slices.