Final answer:
The availability of baked potatoes is part of the historical context of human diets, which have seen staples like bread being developed as early as 14,500 BP. Potatoes became a notable food source after their introduction to Europe in the 16th century.
Step-by-step explanation:
The availability of baked potatoes, like the development of various food staples such as bread, is closely tied to the history of human diets and the evolution of agricultural practices. Starting with the cultivation of wheat for bread as early as 14,500 BP (Richter and Arranz-Otaegui 2018), the history of food reflects the adaptability of human societies to their environments.
As for potatoes, they became a widespread crop after their introduction to Europe in the second half of the 16th century, upon which they started to become widely available as a food source.