In a large bowl, mash the cooked sweetpotato with a fork.
Add mozzarella cheese, parsley, italian seasoning, garlic, red pepper flakes (if using), salt, pepper, eggs, and 2 cups of panko. Mix until fully combined.
Scoop out about 1 tbsp of mixture and shape into 2-inch long logs using your hands.
Roll each log into the remaining ½ cup panko to lightly coat the outside.
Preheat air fryer (or oven) to 390°F. Lightly spray crocchè with cooking spray.
Working in batches, air-fry for 8 minutes, then flip and cook another 2 minutes, or until golden brown and crispy.
Serve hot.