Dissolve 2 tablespoons honey in 1/4 cup boiling water. Puree 1 cup thawed frozen blueberries and 1/2 cup cold water in a blender. Pour the blueberry puree through a fine-mesh strainer into a pitcher. Add up to 3 1/2 cups cold water and the dissolved honey to the pitcher and stir.
Photograph by Hallie Burton