2 Tbsp olive oil
the white of 1 leek, halved, then thinly sliced
2 garlic cloves, chopped
1/2 tsp salt
black pepper
3 stalks of celery, thinly sliced on the diagonal
6-8 small yukon potatoes, thinly sliced
2 cups vegetable broth
1 bay leaf
3/4 tsp dried thyme
in a medium saucepan, warm olive oil, then add leek / garlic / salt / pepper
cook slowly, about 10 min, until very soft
add everything else, bring to a boil, simmer covered for 20 minutes
serve with a spoonful of plain yogurt or sour cream
