Season the tuna fillet with oyster sauce, lemon juice, salt pepper and paprika.

Put the tuna on a hot pan and cook(sear) both sides for only 5mins. Then put aside on a cold area to chill as it wait to be served.

Season all the the veggies in a mixing bowl lightly so as not to mash them, with olive oil, vinegar, salt and pepper

Serve and present as desired or in the picture above with the tuna on top.