A Shortbread Cookie is a non-perishable food item.
Shortbread Cookies can be eaten, providing the player with some positive effects, including reducing unhappiness.
Shortbread Cookies can be found in bakery display counters.
From items.txt (Project Zomboid directory/media/scripts/)
Type = Food,
DisplayName = Shortbread Cookie,
Icon = CookiesShortbread,
Weight = 0.1,
HungerChange = -5,
UnhappyChange = -10,
Carbohydrates = 22,
Proteins = 2,
Lipids = 8,
Calories = 120,
CustomEatSound = EatingCrispy,
WorldStaticModel = Cookie_Shortbread_Ground,