I been using this

Mix 2 beat eggs with 1.5 -2 cups of milk, add salt and pepper and Old Bay to taste, I like alot., also 1/8 stick melted butter.

Stir everything well

Dip filets in mixture then roll them around on a seperate plate full of bread crumbs or potatoe crust., cover well

Bake in oven at 350 for 12-15 minutes.