Chicken Egg is a consumable item that can be used as Camp Supplies to initiate Long Rests.
Fried, boiled, poached: everyone has a favoured method of cooking an egg. The chicken rarely has any say in the matter.
Properties
Camp Supplies: 3
Single Use
Rarity: Common
Weight: 0.09 kg / 0.18 lb
Price: 3 gp 
UID
CONS_GEN_Food_Egg_AUUID
86849852-69de-482e-b7f6-ddc7f607c517
Where to find
Found in various locations throughout the world either as loot or sold by Traders