Heat 1/2" oil in cast iron skillet to 350*

Soak fish in milk and vinegar while oil is heating

In medium bowl, combine cornmeal, flour and spices

Remove fish from milk, sprinkle with salt and dredge in flour mixture

Shake off excess breading and lay in oil

Fry for 2-3 minutes (until golden brown); flip and fry another 2-3 mintues

Drain on paper towels