You will need:
1 lb fresh strawberries
1/2 lb fresh raspberries
1 cup fresh lime juice
3/4-1 cup sugar
1 1/2 cups vodka (optional)
2 to 3 cups chilled sparkling water
1. Blend strawberries and raspberries in a blender until liquid-y.
2. Pour through a sieve into a pitcher, press and discard solids.
3. Add lime juice and sugar to pitcher, stir.
4. Over ice, pour 1-2 (or to taste) shots of vodka, add 1/2 cup of strawberry/raspberry purée and top with sparkling water. Garnish with raspberries and strawberries.
*makes 6-8 cocktails