Blackberries are a type of food.
Blackberries will often times be the first reliable source of food for survivors, as they grow in abundance in the wilderness. They restore both hunger and thirst when consumed, albeit in small amounts. They can be found by spotting large bushes with blackberries in them and interacting with the bushes once close to them, this will harvest the bush and shrink it until more berries grow in the future.
Blackberries can be used in the following recipes.