Mushroom Soup
["1 qt. mushrooms", "1 1/2 qt. good, rich stock, veal or chicken", "1 Tbsp. flour", "1 Tbsp. butter", "1 tsp. salt", "1/2 tsp. pepper"]
["Wash and peel 1 quart mushrooms; cut into dice.", "Stir into them 1 1/2 quarts of good rich stock, veal or chicken.", "Thicken with 1 tablespoon flour creamed with 1 tablespoon butter and 1 teaspoon salt and 1/2 teaspoon of pepper.", "At last moment, add a bit of whipped cream and croutons."]
["mushrooms", "rich stock", "flour", "butter", "salt", "pepper"]