Super Delicious And Easy Baked Fish (Anykind) - cooking recipe

Ingredients

2 lbs of boneless tilapia fillets or 2 lbs any other fish
1 onion
2 -3 tablespoons mayonnaise (I use Hellmann's)
salt and pepper

Preparation

Preheat oven to 325 degrees F.
Lightly grease a baking dish
Coat fillets evenly, and not too thickly, with Mayo.
(I use my finger to spread it.) Sprinkle evenly with sliced onion.
Salt and pepper to taste.
Bake at 325 degrees F until done, about 20 minutes.