Boiled greens with some olive oil can keep the color. Look more appetizing. You can also take a certain amount of oil.
Try to match the daily neatness of the meal. It’s just lunch. The fruit of the meal is not shown together.
I work poorly at the company~ I try to use the simplest ingredients to make my own daily matching. Let the color look better. Look at the appetite. I used to check in the daily but I don’t think anyone has a special recipe. After the war, the kitchen punch card company brought its own lunch.