Leek, Potato and Pea Soup for 6

Scaled to serve 8

5.3 large leeksslicedsweat 10 minboil and simmer 10-15 minsimmer 5 minutesblendserve
120.0 g of butter
2.7 medium potatoes
2.7 l of stock
300.0 g of frozen peas
2.7 tsp of mint sauce
1.3 tbsp of parsley
1.3 salt
1.3 pepper
1.3 blob of soured cream