Via http://backyardbartender.blogspot.com/2010/10/el-sangre-de-fresa..., a recipe from Jeff Hollinger and Rob Schwartz, of the Absinthe Brasserie & Bar in San Francisco.

2 strawberries, hulled and quartered
4 to 5 basil leaves (thank you, backyard herb garden)
1/2 oz balsamic syrup (Recipe at link above, available in many gourmet grocery stores)
1 1/2 oz cachaça
1/4 oz Cointreau
1/4 oz fresh lime juice

Soda water

Muddle the strawberries, basil and balsamic syrup, add ice, then the liquors and lime juice, shake, strain into a highball, and top with soda