A Chocolate Doughnut is a non-perishable food item.
Chocolate Doughnuts can be eaten, providing the player with some positive effects, including reducing unhappiness.
Chocolate Doughnuts can be found in bakery display counters.
From items.txt (Project Zomboid directory/media/scripts/)
Type = Food,
DisplayName = Chocolate Doughnut,
Icon = DoughnutChocolate,
Weight = 0.1,
HungerChange = -7,
UnhappyChange = -15,
Carbohydrates = 35,
Proteins = 3,
Lipids = 15,
Calories = 180,
WorldStaticModel = Doughnut_Chocolate_Ground,