Leek, Potato and Pea Soup for 6

Scaled to serve 7

4.7 large leeksslicedsweat 10 minboil and simmer 10-15 minsimmer 5 minutesblendserve
105.0 g of butter
2.3 medium potatoes
2.3 l of stock
262.5 g of frozen peas
2.3 tsp of mint sauce
1.2 tbsp of parsley
1.2 salt
1.2 pepper
1.2 blob of soured cream