In a big wide bowl put the sugar and then pour the room temperature water a little at a time;
Combine well with a whisk until the sugar has completely dissolved;
Pour the freshly squeezed lemon juice; a little pulp makes granita even more toothsome;
Mix everything well; use a hand mixer to make it even smoother;
Put the bowl into the freezer (I have got an upright one, very comfortable);
During the freezing process, stir granita using a fork or a whisk to break any ice chucks;
Stir granita every hour until it gets fluffy, finely-iced and creamy, ready to be enjoyed!