Cut the shallot into a small cube. Rub in the palm of your hand dried rosemary or shred the fresh.
Place the berries, water, wine / champagne, shallot and 2 teaspoons of rosemary in a small saucepan and cook over medium heat until the berries disintegrate and the sauce is thick.
Season with salt and pepper.
Haskap berries sauce is great as an addition to salmon, scallops, as well as to meat or crostini.