French Pea Soup

Ingredients for French Pea Soup:
2 tbsp butter
1 onion, chopped
1 tbsp flour
12 oz coarsely chopped lettuce leaves
1 ½ kg fresh peas
1 ½ liters chicken or vegetable stock
Salt and pepper to taste
½ tsp caster sugar
Mint, few leaves

Method:
In a pan, melt 2 tbsp butter and cook gently 1 chopped onion.
Also add 12 oz coarsely chopped lettuce. 
Cook for a few minutes and then add the 1 tbsp flour, 1 ½ kg peas, few mint leaves, 1 ½ liters stock and ½ tsp sugar in it. 
Cover and cook. 
When the peas are done, remove the mint leaves and blend the soup. 
Add salt and pepper to taste. Serve immediately topped with some shredded fresh mint.

French Pea Soup by Zarnak Sidhwa