Roasted tomatoes time

This is a very fast and easy meal - preparation time of maximum 15 minutes - and nevertheless tasty and fresh.
The ingredients are:
tomatoes
dried oregano
salt
(sometimes also some sesame seeds could add a specific taste)
olive oil
Head the oven to 150 and wait for a while, till the tomatoes are a little bit roasted. To be served with some fresh Greek cheese.
Bon Appetit!