Spread Greek yogurt evenly over a flat tray.
Evenly sprinkle chopped nuts, dried fruits, chocolate chips, etc. on top of the yogurt.
Melt dark chocolate using a double boiler or microwave.
Drizzle the melted chocolate evenly over the yogurt.
Place the tray in the freezer for 2-3 hours until set.
Break into bite-sized pieces and serve on a plate.