1. Dredge the flounder first in the flour then in the egg wash and finally in the bread crumbs.
2. For a thicker coating you can dip the flounder again in the egg and then again in the bread crumbs.
3. Heat a large cast iron frying pan with about ½ inch of Canola oil. Carefully place the flounder in the heated oil. (about 2 pieces at a time) you do not want to overcrowd the pan!
4. When one side becomes a beautiful golden color carefully turn the slice over, and finish cooking on the other side. The fish takes about 2 - 3 minutes per side, depending on the thickness of the fish. The fish should be a beautiful white flaky texture.
5. Prepare a plate with paper towels to place the cooked fish on when it is done.

To Build the Sandwich:

1. Slice the roll and place the tartar sauce on each side of the bread, followed by the slice of fresh mozzarella, sliced red onion, lettuce leaves, fresh basil leaves and pickles if you like.