Home / Recipes / American / Mushroom Soup American Medium fannie-farmer Mushroom Soup No instructions provided Clean and chop mushrooms, and add to stock. Cook twenty minutes and rub through a sieve. Cook sago in boiling water thirty minutes, add to stock, and as soon as boiling-point is reached, season with salt and pepper; then add cream and yolks of eggs. Ingredients grocery ½ lb. mushrooms ¼ cup pearl sago Yolks 2 eggs Salt and pepper Shop Ingredients 🛒 Shop on Instacart Prices and availability vary by location. We may earn a commission from purchases. Required Gear kitchen Stockpot * We may earn a commission from these links. receipt_long Instructions 1 No instructions provided