Carefully sealed chicken and noodles.
The item id for Canned Soup Chicken in unturned is 78. You can use this ID with the commands below to spawn the item, give it to a player or buy it on a modded economy server.
Useable: Consumeable
Size_X: 1
Size_Y: 1
Size_Z: 0.3
Food: 40
Water: 15
ConsumeAudioClip: Sounds/DrinkSwallow.mp3