― 3 cups water ∙ 1 quart blueberries stemmed and washed and blotted dry ∙ 3/4 cup sugar ∙ 1/4 teaspoon cinnamon ∙ 2 tablespoons cornstarch ∙ 2 tablespoons cold water ∙ Heavy cream whipped for garnish ∙ Bring water to a boil in a medium size saucepan. Add blueberries, sugar and cinnamon. Cook until sugar is dissolve. You will now need to add these to a blender or food processor to make a puree. Set aside. ∙ Mix cornstarch and water, stir into [...].