Make this recipe a recipe that people in that category can eat. categories: ['vegetarian'], recipe: cover mushrooms with cold water and soak overnight. drain the mushrooms reserving the soaking liquid, strain the liquid through a fine cloth. rinse the mushrooms in cold water to remove any remaining sand then slice into strips. add the mushrooms, 8 cups of of the beef stock and the soaking liquid to a 3 quart saucepan, bring to a boil, reduce heat and simmer over low heat 4 hours. melt the butter in a heavy skillet, add the onion, sauté until golden brown then add to the soup. whisk the cornstarch with the remaining cup of beef stock, add to the soup, stir and simmer until slightly thickened. season to taste with salt and pepper, ladle into individual bowls, top each with 1 tbs sour cream and sprinkle with parsley.

Target recipe: cook the carrots, parsley, celery and 1 onion in 4 cups salted water for 20 minutes. strain. cook the mushrooms and second onion in 1 cup water for 10 minutes. add salt and pepper. combine with vegetable broth, add the flour mixed with 1/4 cup cold water. boil. remove from heat. add sour cream, dill and parsley. add noodles, fine macaroni.