Peel 200 g of potatoes, the garlic clove, carrots and celery stalks.
Pour these ingredients into a saucepan, adding the chervil and parsley and wet to the level of the water with about 2 L of water.
Leave to cook for about 1 hour.
Strain and set aside the potatoes.
Put the potatoes, butter, remaining Debic Stand & Overrun, milk, almond cream together in a saucepan.
Bring to the boil and cook for 10 min without stopping stirring. Blend, then adjust the creaminess and seasoning to your taste.