Hungarian Mushroom Soup

Name: Hungarian Mushroom Soup
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: Eastern European
Ingredients: 4 tablespoons unsalted butter; 2 cups chopped onions; 1 pound fresh mushrooms, sliced; 2 cups chicken broth; 1 tablespoon soy sauce; 1 tablespoon paprika; 2 teaspoons dried dill weed; 1 cup milk; 3 tablespoons all-purpose flour; 0.5 cup sour cream; 0.25 cup chopped fresh parsley; 2 teaspoons lemon juice; 1 teaspoon salt; ground black pepper to taste