Ingredients

1/3 cup sugar 

1/4 cup water 

1/4 cup fresh lime juice 

2 cups chilled seltzer water 

1/4 cup chilled pineapple juice 

1 heaping cup blackberries 

8 strawberries, hulled and sliced 

Preparation

In a small saucepan over high heat, cook sugar with water, stirring constantly, until dissolved, about 1 minute. Transfer to a pitcher; stir in fresh lime juice. Chill.

When ready to serve, stir in seltzer water, pineapple juice, blackberries, and strawberries. Serve over ice, if desired.