Wash the blueberries thoroughly and remove any excess moisture.
Scoop Greek yogurt into round shapes and place them on a freezer tray.
Put a blueberry on top of each yogurt portion.
Place the tray in the freezer for 1-2 hours until firm.
Melt the chocolate using a double boiler or microwave.
Dip the frozen yogurt blueberries into the melted chocolate to coat them.
Place the coated yogurt chocolates back on the tray and freeze until the chocolate hardens.