"Lemon water ice"

INGREDIENTS

For 4 servings:
180 gr sugar
4 glasses of water
2 glasses of lemon juice.

Mix sugar and water, and boil it. Cook for 5 min. let it cool and add the lemon juice. Put it in the freezer in a metallic bowl and stir the mixture while freezing (every 20 or 30 minutes). The water ice will be ready after about 3-4 hours.