A Spoonful of Whiskey

 is a Fallout 3 quest that is added to the game with the Point Lookout add-on.

Walkthrough
She will try and convince you that she is sick, and she needs these items to get better. With Medicine and Speech she will admit she makes Moonshine and ask you to gather these items for caps as well as a share of the Moonshine.

You will need
 * 3 Yeast
 * 6 Fission Batteries
 * Either 10 Refined Punga Fruits or 20 Wild Punga Fruits

You can also repair her still for caps

Reward
You will receive 300 caps and several Moonshine. You can also repair her still for an additional 100 caps (200 with a speech check).