Ingredients
2 tablespoons unsalted butter
1 cup thinly sliced leek (pale-green parts only, rinsed well)
1 medium Yukon Gold potato, peeled and cut into 1/2-inch pieces
1/4 cup dry vermouth
2 cups low-sodium chicken stock
2 cups water
1 pound shelled fresh or thawed frozen peas (3 cups)
3/4 cup low-fat buttermilk
Salt and pepper
Pea tendrils, for garnish
Preparation
Melt butter in a medium saucepan over medium heat. Add leek, and cook until softened, about4 minutes. Stir in potato and dry vermouth, and reduce slightly, about 2 minutes. Add chicken stock and water. Bring to a boil. Reduce heat, cover, and simmer until potatoes are tender, 7 to 8 minutes.
Bring to a boil. Add peas. Cover, and cook just untilpeas are tender and bright green, about 2 minutes. Filling a blender halfway and covering with a kitchentowel, puree soup in batches. Strain through a coarse sieve into a large bowl; discard solids. Stir in buttermilk, and season with salt and pepper. Chill soup for at least 3 hours or up to overnight.Garnish each serving with pea tendrils if desired.
