Cut the salmon into small cubes, finely chop the onion.
Fry onions in vegetable oil.
Add salmon to it and fry a little. Season with salt and pepper. Pour in the cream and simmer a little.
Distribute the whole mass over the cocotte and sprinkle with cheese and send to the oven at 200C for 10-12 minutes.
Serve hot.
Bon appetit!