A hard-boiled and one raw egg yolk is mixed and stirred a vegetable oil, which was added drop by drop at first, then engaging a mayonnaise - trickle. Mayonnaise seasoned to taste with lemon juice, pepper and salt dissolved in 1 tsp water, diluted with broth and stained with spinach juice or the juice of red beet. The sauce is served to all egg, meat and fish dishes.