A hearty delicious soup for the last cold days of winter from Lezzet's February 2007 issue.1 cup dry garbanzo beans1/2 cup soft wheat berries1/2 cup red lentils1 small celery root/celeria, grated1 carrot, petite diced5-6 parsley stems, chopped2-3 celery root stems, chopped2 tbsp butter2 small onions, finely chopped2 tbsp tomato paste6 cups vegetable or beef stock2 tsp oregano leaves1 cup plain yogurt (non-fat, 1%, 2%, or whole milk)1 tbsp olive oilsaltpepper-Put...