Sauce Mayonnaise fouettée à la Russe (Whipped Mayonnaise with Jelly and Horseradish)

Ingredients

• 4 décilitres melted jelly
• 3 décilitres sauce Mayonnaise
• 1 tablespoonful tarragon vinegar
• 1 spoonful horseradish

Instructions

1. Put the melted jelly, the sauce Mayonnaise, the tarragon vinegar and the grated, very finely chopped horseradish into a copper basin.
2. Mix the whole with the whisk.
3. Place the basin on ice and whisk until the sauce becomes foamy and begins to solidify slightly.
4. Stop just at the moment when it is still liquid enough for the use intended.