Quick Answer
Pepper is sold in the Oasis town, which unlocks after you beat the first boss. The quest NPC marks the place on your minimap.
Where do you get pepper in Warota?
Go to the Oasis town after the first boss. The quest tells you where to get it.
Beat the first boss
The Oasis town is unlocked after the first boss fight.
Follow the yellow mark
Check your minimap and head to the big yellow "!" marker.
What do you need pepper for?
One quest asks for pepper to make a spicy fish soup.
FAQ
In the Oasis town.
After you fight the first boss.
For another material, see Warota coal, or browse Warota materials.