Mushroom Soup With Cream Ingredients 2 litres beef stock 2 carrots cut into matchsticks 2 small parsnips cut into matchsticks 1/4 medium celeriac, cut into matchsticks 2 bay leaves 4 allspice berries 500 grams chestnut mushrooms quartered 1 onion diced 2 cloves garlic 3 potatoes cut into 1 cm cubes 2 tablespoons soy sauce 3