Wash the blueberries and black sesame seeds thoroughly.
Lightly toast the black sesame seeds in a dry pan over low heat to bring out a nutty aroma.
Blend the blueberries in a mixer to make a puree.
Combine the blended blueberries and toasted black sesame seeds in a bowl and mix well.
Transfer to a plate, chill in the refrigerator, and serve cold.