Blueberry French 75

Ingredients:

15 blueberries
1/2 oz lemon juice (or juice from half a lemon)
1 oz gin
3 oz sparkling wine or Champagne
ice

Directions:

In a shaker, muddle the blueberries so the juice is extracted, but they are not too mushy.  Add the gin, lemon juice and some ice and gently shake.  Add the sparkling wine, and then pour into a champagne glass.