From Unofficial Stationeers Wiki
|Cost||1 Pumpkin,1 Empty Can|
Pumpkin Soup is made by cooking 1 Pumpkin and 1 Empty Can in the Microwave. 1 Empty Can is physically dropped onto the ground after being fully consumed, it can be reused
When right button is held, only adequate part is consumed to fill hunger up to 100%. Percentages of it can be eaten by holding down and releasing the right mouse button.