Snow Pea Vichyssoise

A wonderful summer soup! It's served cold, so it's good on days when you want to beat the heat.

Ingredients:
1/2 lb snow peas
3 cups chopped leeks (white parts only)
1/2 peeled and chopped Yukon Gold potatoes
3 cups chicken or vegetable stock or water
1 cup snow pea greens or arugula
1 cup buttermilk
salt and freshly ground pepper

~ Remove strings from snow peas and cut into 1-inch pieces. Combine snow peas, leeks and potatoes in a pot. pour in stock and bring to a boil over high heat.
Reduce heat and simmer gently for 10 minutes.
Add snow pea greens and simmer for 5 minutes, or until vegetables are soft.
Puree soup (you may have to do this in batches).
Stir in buttermilk. Season well with salt and pepper. Chill. Garnish with, either, snow pea sprouts, slivered snow peas or chives.