Mediterranean baked tilapia

Well, to call it a recipe a bit of a cheek - but healthy, quick and delicious.

1 tbsp olive oil
1/2 onion
2 fillets tilapia
Tin tomatoes
Black olives
Frozen peas

1.  Slice half and onion into rings, put in the bottom of oven proof dish with splash of olive oil.
2.  Add fish, pour on tin chopped tomatoes, scatter on chopped olives.
3.  Baked for 20 minutes, add frozen peas, baked 5-10 more minutes
4.  Season with black pepper, squirt lemon juice if you fancy ... scoff.

Prep time - 2 minutes, cooking time 25ish minutes.