Broiled Tilapia Parmesan

1/2 c. Parmesan cheese
1/4/c. butter, softened
2/-3 T. mayonnaise
2 T. fresh lemon juice
1/4 t. dried basil
1/4 t. pepper
1/8 t. onion powder
1/8 t. celery salt
2 1/2 lbs tilapia fillets

Preheat broiler. Line pan with aluminum foil.
In a small bowl, mix cheese, butter, mayonnaise and lemon juice together. Add basil, pepper, onion powder and celery salt. Mix well.
Arrange fillets in a single layer on pan. Broil a few inches from the heat for a couple minutes. Flip fillets over and broil a couple more minutes. Remove fillets from the oven, spread Parmesan cheese mix over top of fillets. Broil for 2 more minutes or until topping is browned and fish flakes easily with fork.