Romanian-style Lemonade

Description
In Romanian: Limonada

Ingredients

 * 3 big lemons or 4 small
 * 15 teaspoons sugar
 * 1 l water

Directions

 * 1) Squeeze the lemons and strain the juice through cheese cloth.
 * 2) Dissolve the Sugar in water, add the lemon juice and pour in a bottle with a little piece of lemon peel.
 * 3) Refrigerate for a few hours. Serve cold, adding a thin lemon slice to each glass.