Refreshing Lemonade

1. Squeeze the juice from 6 lemons into a pitcher.
2. Add 1 cup of sugar to the lemon juice.
3. Pour 6 cups of cold water into the pitcher and stir until the sugar is dissolved.
4. Add ice cubes and lemon slices for garnish.
5. Taste and adjust sweetness by adding more sugar if needed.
6. Chill in the refrigerator for 1 hour before serving.