A Fish Sauce Without Butter

Ingredients

• 1 cup water
• vinegar
• 1 onion
• horse-radish
• pepper
• 3 cloves
• 2 anchovies
• 2 egg yolks

Instructions

1. Put on, in a small saucepan, a cup of water well flavored with vinegar, an onion chopped fine, a little rasped horse-radish, pepper, two or three cloves, and a couple of anchovies cut small.
2. When it has boiled, stir carefully in the beaten yolks of two eggs.
3. Let it thicken until of the consistency of melted butter.