What does A Peon's Burden reward?

A Peon's Burden gives a choice of Tough Hunk of Bread, Refreshing Spring Water, 110 experience.

What level is A Peon's Burden?

Its level has not been recorded yet; it shows once a player accepts it with the addon running.

No. The quest exists in Classic Era as well.

World of Warcraft: Forever · quest

A quest in World of Warcraft: Forever in Durotar and turned in to Innkeeper Grosk. Recorded by 1 player running the addon.

Level, giver and objectives show once a player with the addon accepts the quest.

Item	Given	Item level	Vendor sell
Tough Hunk of Bread	as a choice	5	1c
Refreshing Spring Water	as a choice	5	1c

What does A Peon's Burden reward?: A Peon's Burden gives a choice of Tough Hunk of Bread, Refreshing Spring Water, 110 experience.
Where does A Peon's Burden start?: It was picked up in Durotar.
What level is A Peon's Burden?: Its level has not been recorded yet; it shows once a player accepts it with the addon running.
Is A Peon's Burden new in WoW Forever?: No. The quest exists in Classic Era as well.

Source: what players running the addon saw in the quest windows; the quest text itself stays in the game. Every quest seen · Durotar