Before starting this Vegetable Mousse recipe, make sure you have organised all the necessary ingredients. Peel the carrots... ... then cut them into two or three chunks... ... and place them into a saucepan filled with salted cold water (cook 'à l'anglaise'). Bring to a boil and cook for about 15 minutes. Insert the blade of a knife in a carrot to check whether they are cooked. ...