Raspberry Lemonade

Directions

1. 1
   With a vegetable peeler remove zest from 4 lemons and squeeze enough juice from these and remaining 2 lemons to measure 1 cup.
2. 2
   In a saucepan boil 1 cup water with sugar, stirring, until sugar is dissolved.
3. 3
   Add zest, lemon juice, and remaining 1 cup water and cool.
4. 4
   In a food processor or blender puree raspberries and stir into lemonade.
5. 5
   Pour raspberry lemonade through a sieve into a pitcher or other container and chill. Chill the lemonade, covered, at least until cold and up to 2 days.
6. 6
   Serve lemonade over ice in tall glass, garnished with lemon slices.