Remove the rather thick white base and the leaves of the branch celery, wash the stalks and leave them to soak for a few minutes in water with a little vinegar. Cut them into pieces.
Peel and wash the potato, then cut into small 1cm cubes.
Place the potatoes in the steamer basket.
Place the celery in the steamer basket.
Put water in tank 2 and start cooking.
Set aside the cooking juice.
Pour the content of the basket into the blending bowl.
Place the Laughing Cow cheese into the blending bowl.
Add a part of the cooking juice depending of the desired texture.