Loaded Mashed Potato Balls

Filling:3 cups chilled mashed potatoes1 cup cheddar cheese, shredded1/2 cup bacon bits1/4 cup chives, choppedPepper to tasteBreading:1/2 cup flour2 medium eggs, beaten1 1/4 cup panko bread crumbs1/2 cup Parmesan cheese, shredded