Mix flour, cajun seasoning, baking powder, and salt in a bowl. Dredge the strips in egg, then flour mixture and lay in a pan of hot oil to fry. Fry a few at a time, 3-5 min per side.

Melt butter in a saucepan, add milk, 3 tsp flour, salt and pepper. Cook until thick, stirring a lot.

Serve hot, with gravy on the side for dipping.