Pour enough olive oil into a large skillet to coat the bottom of the pan. Heat oil to medium or medium-high.
Cut each tilapia filet into 4 parts.
Pour fish fry mix into large Ziploc bag.
Drop 4-6 fish fillets into the bag at a time, and shake to coat.
Fry fish half of the fish at a time, flipping after the first side as reached a golden color. Continue cooking until the second side is also golden, adding more oil if needed to keep the bottom of the pan covered.
Serve with hashbrowns or raw fried potatoes, and a simple salad.