Home / Recipes / American / Cream of Mushroom Soup American Medium fannie-farmer Cream of Mushroom Soup No instructions provided Chop mushrooms, add to White Stock with onion, cook twenty minutes, and rub through a sieve. Reheat, bind with butter and flour cooked together, then add cream and salt and pepper to taste. Just before serving add wine. Ingredients grocery ½ lb. mushrooms 1 slice onion ¼ cup butter ¼ cup flour Salt Pepper Shop Ingredients 🛒 Shop on Instacart Prices and availability vary by location. We may earn a commission from purchases. Required Gear kitchen Stockpot skillet Saucepan * We may earn a commission from these links. receipt_long Instructions 1 No instructions provided