Clean and slice fruit and add to top of yogurt in muffin pan.
Add granola and mini chocolate chips, if using.
Place muffin pan in freezer for at least 4 hours or until frozen.
Remove from freezer and let set for 3-5 minutes or until yogurt bites can easily be removed.
Place on cookie sheet and refreeze, if necessary.
Serve straight from the freezer.
Keep leftovers frozen.
Notes
Store in a freezer bag or airtight container in the coldest part of your freezer, away from the door. They'll stay frozen and keep well for up to two months.