01 - Line a baking sheet with parchment paper.
02 - Spread the Greek yogurt evenly over the parchment paper to about 1/2 inch thick.
03 - Sprinkle the mixed berries and granola evenly over the yogurt.
04 - Press down gently to ensure the toppings stick to the yogurt.
05 - Freeze for at least 2 hours, or until completely firm.
06 - Once frozen, break into pieces and serve immediately.