For Cranberry Puree: Combine fresh cranberries, sugar and water to a saucepan. Bring to a boil stirring until all sugar dissolves. Reduce heat, simmer and cook until all cranberries burst, stirring often. Carefully add to blender, puree until smooth, strain and cool.

For Cranberry Chilcano: Fill a glass with ice cubes. Add pisco, cranberry puree and lime juice. Top with ginger ale and garnish with lime wedges and cranberries.