Potato-Buttermilk Soup
["1 1/2 lb. peeled potatoes, cut into 1/2-inch cubes", "2 c. chicken broth", "1 c. chopped onions", "1 Tbsp. all-purpose flour", "5 c. buttermilk", "1 Tbsp. thyme", "salt and pepper to taste"]
["Cover potato cubes with broth; cook until tender.", "Remove from heat; don't drain.", "Saute onions until tender.", "Melt butter in saucepan on medium-high.", "Add flour; stir 2 minutes.", "Slowly stir in buttermilk and cook until it thickens.", "Add onions, potatoes, broth and thyme; heat to boil.", "Season with salt and pepper.", "Serves 6."]
["potatoes", "chicken broth", "onions", "flour", "buttermilk", "thyme", "salt"]