Argan oil oven aurade

Ingredients :

 1 sea bream of 800 g (for 2 people)
 2 to 3 cuil olive oil
 4 cuil argan oil
 1 minced onion
 2 courgettes
 1 minced tomato
 2 peppers in different colours
 2 lemon juice
 1 teaspoon cumin
a  bunch of fresh thyme