Food & Cooking Recipes Soups, Stews & Stocks Soup Recipes Mrs. Kostyra's Mushroom Barley Soup 3.0 (71) 4 Reviews By Martha Stewart Martha Stewart Martha Stewart is a bestselling author, entrepreneur, and lifestyle expert who has taught millions of people through generations the joy of entertaining, cooking, gardening, collecting, crafting, and home renovating via her eponymous magazine, Martha Stewart Living, Emmy-winning television shows, and 99 books (and counting). Based in Katonah, N.Y., where she helms her 156-acre Bedford Farm, Martha is America's first self-made female billionaire. Editorial Guidelines Updated on July 9, 2019 Rate PRINT Share Servings: 8 Mrs. Kostyra used Polish borowik mushrooms in this recipe, but dried porcini work just as well. Martha made this recipe on Cooking School episode 308. Cook Mode (Keep screen awake) Ingredients 2 ounces dried mushrooms, such as Polish borowik or porcini 2 cups warm water 6 ounces pearl barley, washed 10 cups Beef Stock Mrs. Kostyra's Beef Stock 4 tablespoons unsalted butter 2 carrots, peeled and finely chopped 2 stalks celery, finely chopped 1/2 to 3/4 cup sour cream (optional) 3 tablespoons all-purpose flour (optional) ¼ cup finely chopped fresh dill Directions Place the mushrooms in a small bowl. Add water and let soak overnight. Transfer mushrooms and soaking liquid to a small saucepan. Cook over medium heat until the mushrooms are tender, about 40 minutes. Drain mushrooms, reserving soaking liquid. Coarsely chop mushrooms; set aside. Add barley to a small saucepan with 3 cups stock. Bring to a boil and let simmer until the barley is tender, about 45 minutes. Stir in butter; set aside. In a medium saucepan, bring the remaining 7 cups stock to a boil with the carrots, celery, and reserved mushrooms and soaking liquid. Stir in the cooked barley mixture. Season with salt and pepper. In a small bowl, stir together the sour cream and the flour. While stirring, slowly add 1 cup of the stock. Stir into soup with dill. Serve immediately. Cook's Notes Polish borowik mushrooms are available from the Polish Art Center, 9539 Joseph Campau, Hamtramck, MI 48212; 888-619-9771 or www.polartcenter.com. Originally appeared: Martha Stewart Living Television, Episode 10231 Rate It PRINT