tilapia and tomatoes

i modified this from a blog i saw previously, but can't remember where =( this was sooo delish, i was surprised!

INGREDIENTS
2 plum tomatoes - thinly sliced (i used 1 can stewed/diced tomatoes)
salt
ground pepper
1 teaspoon olive oil
1 skinless tilapia fillet - 6 oz.
4 teaspoons mayonnaise
1 tablespoon grated parmesan cheese
1 teaspoon lemon juice

DIRECTIONS
Preheat oven to 450. In a small ovenproof skillet or baking dish arrange tomatoes on bottom. Season with salt and pepper; drizzle with olive oil.

In a small bowl, stir together mayonnaise, parmesan, and lemon juice. Place fish on top of tomatoes in skillet. Season fish with salt and pepper. Spread mayonnaise mixture on top.

Bake until fish is opaque throughout and topping is golden brown in spots, about 20 minutes.