Preheat the oven to 450 degrees.
Place the potato wedges, olive oil,and garlic salt in a large Ziploc bag. Seal the bag and shake potatoes until they are uniformly coated.
Spread potatoes in a single layer on a foil lined baking sheet, and bake for about 25 minutes.
Dry the fish using paper towels to remove some of the moisture. Begin preheating the olive oil and butter in a large skillet on the stovetop set to medium high heat.
Now set up the fish coating station. Place the flour in a small bowl or on a dinner plate. Beat the egg in a second small bowl. In a third small bowl or dinner plate, measure out the Panko bread crumbs.
Prepare each fish fillets by first dredging one side only in the flour, then dipping in the egg mixture, and finally by coating in the Panko bread crumbs. Place the coating side down into the preheated skillet.
Continue cooking until the coating is lightly browned and the fish fillets are mostly opaque white. Flip the fillets and continue cooking until fish is cooked throughout and flakes easily. We serve this with a side of peas.