Crispy Fried Fish

2 tbsp. parmesan cheese, 2 tbsp flour, 6 tilapia fillets, 1 tbsp. olive oil, 1 tbsp butter.  Mix cheese and flour in pie plate.  Dip fish, 1 fillet at a time in cheese mixture coating both sides.  Heat oil and butter in large nonstick skillet on med. high heat.  Add fish fillets-cook 4 to 5 min. on each side or until fish flakes easily with fork.