In a shallow plate or pie dish add the flour, in a bowl whisk together the eggs and milk, and in another shallow plate add the breadcrumbs.

Roll each mozzarella stick first in flour, then dip in the egg mixture, and then roll in breadcrumbs. Place onto a baking sheet or platter.

Heat oil in the deep-fryer to 375 degrees Fry the coated mozzarella sticks in batches until golden brown. Drain on a plate lined with paper towels.