In saucepan combine blueberries, water, sugar, lemon slices and cinnamon. Bring to a boil over medium heat. Reduce heat and simmer 15 minutes. Sieve mixture; chill.
To serve, blend lemon juice into chilled mixture. Combine sour cream and confectioners sugar; fold into mixture.
Serve in chilled bowls topped with a slice of lemon, a dollop of sour cream and a dash of cinnamon.
Makes 2-2/3 cups.
Submitted by: CM