Lay out some foil with your tilapia on it.
Rub the olive oil all over both sides of your tilapia filet.
the garlic too. all over.
A generous layer of blackening seasoning. A little squeeze of lemon. (optional, not pictured)
Seal up the foil leaving space inside.
Cook for about 20 minutes.
On laid out foil, rub your filet with olive oil. Then rub your filet with garlic. Cover your tilapia with a nice layer of Blackened seasoning. A small squeeze of lemon. Bake at 410 for about 20 minutes depending on the thickness of the tilapia