Potage Batwinia (Cold Russian Soup)

Ingredients

• 350 grammes spinach leaves
• 250 grammes sorrel leaves
• 250 grammes beetroot leaves
• 100 grammes butter
• 1 litre and a quarter sharp white wine
• 12 grammes salt
• 10 grammes sugar
• 150 grammes agoursis
• a pinch of chopped chervil
• a pinch of chopped tarragon
• 10 grammes shallots
• small pieces of ice

Instructions

1. Shred the spinach, sorrel and beetroot leaves.
2. Gather them in a saucepan with 100 grammes of butter and melt gently.
3. Pass through a fine sieve.
4. Dilute the purée with 1 litre and a quarter of sharp white wine.
5. Add the salt, sugar, diced agoursis or cucumbers, chopped chervil and tarragon, and the finely chopped shallots.
6. Serve with small pieces of ice in the soup.