Cut sticks of string cheese in half. Set aside.
Crack egg in a small bowl, beat.
In a separate bowl combine panko, flour, parsley, garlic powder & salt.
Dip a piece of string cheese into egg, then into panko. Press panko onto all surfaces & ends of cheese.
Place breaded cheese stick onto wax paper lined plate and repeat with remaining pieces.
Freeze breaded cheese sticks for at least half an hour. These can be made days ahead of time and kept covered in the freezer.
Preheat oven to 350°.
Line a cookie sheet with aluminum foil and spritz with olive oil.
Place breaded cheese sticks on cookie sheet. Spritz tops with olive oil.
Bake until tops are light golden brown - about 8-12 minutes.