Raspberry Limeade

2 cups raspberries
3 1/2 cups water
3/4 cup granulated sugar, or to taste
1 cup fresh lime juice
Mint sprigs (for garnish)

In a blender or food processor pur e 1 cup of the raspberries with 1 cup of the water and force the pur e through a fine sieve set over a pitcher, pressing hard on the solids. Add the remaining 1 cup raspberries, the remaining 2 1/2 cups water, the sugar, and the lime juice and stir the mixture until the sugar is dissolved.

Divide the limeade among tall glasses filled with ice cubes and garnish each drink with some of the mint sprigs.

Makes about 5 cups, serving 4.