Sparkling Raspberry Lemonade

bag frozen raspberries, thawed (or 12 oz fresh raspberries)

granulated sugar

frozen lemonade concentrate, thawed in the fridge

If you wish to squeeze your own lemons, combine: 1 cup lemon juice (from about 6 medium lemons with 3/4 cup sugar)

bottle club soda (chilled)

Fresh ice to serve

Fresh raspberries and slices of lemon for garnish (optional)