Slice eggplant into the size of steak fries. Soak 30 min in salted water. Drain, rinse, pat dry w/ paper towels. In bowl, mix egg w/ milk. In another shallow bowl, mix flour, salt, pepper and cajun seasoning. Heat some oil in skillet over med-high heat. Dip eggplant slices into egg mix, then roll in flour mix to coat. Deep-fry eggplant, turning once until golden brown.