Don't Eat Gazelle Meat for Now

The part of with the have no aggressive mobs.
At 19 (to 21), when you can first get this, just 3 repeats of this, plus the XP from the kills, should raise you a level. This is a very good grind. Even as high as 26, you can make a level a day on nothing but your 10 Dailies.
Please note that, because the is NOT Bound, this can be farmed on a high-level toon, then the item can be mailed to an alt. It is also stockpile-able so you can collect stacks of them on your free days to quickly turn-in on your busy days.
And, as if it simply could not get any better, there are no aggressive mobs in the so, unless you go AFK in the middle of a fight, it is almost impossible to die here.