Witch's Potion

Walkthrough
This is one of the easiest quests there is. You should have no problem with this, no matter what level you are.

Talk to Hetty and tell her you want to know more about the black arts. She will tell you she needs four ingredients you have to get. You need to get a rat's tail, burnt meat, an eye of newt, and an onion.

Rat's tail: You need to start the quest to get rat's tails. Go west of the Hetty's house and kill a rat in the ranged shop to obtain a rat's tail. (Only the level 1 rats drop the tail; you will have to kill a level 3 one for the meat AND a level 1 for the tail.)

Burnt Meat: Kill a giant rat southwest of Port Sarim and cook it. If you burn it, good. If not, use the cooked meat on the fire again to burn it.

Eye of Newt: You can buy an eye of newt from the magic shop in Port Sarim, it is labelled with a small fire rune on your map.

Onion: Onions can be found in a field northwest of Rimmington. Just pick one.

When you have all these items, talk to Hetty. She'll put them in her cauldron and tell you to drink from it. Drink from the cauldron to complete the quest.

Reward

 * 1 Quest Point.
 * 325 magic experience.