Dandy Boy Apples

 is a food item found in Fallout 3 and Fallout: New Vegas.

Characteristics
It can restore some of your hit points, but also gives you a small amount of radiation. Additionally, in Fallout: New Vegas it can stave off starvation.

Locations
They are found mostly in refrigerators, or occasionally on shelves. Otherwise they are in some form of container.

Fallout 3

 * They appear inside your Tenpenny Tower Suite or Megaton House after purchasing the pre-War theme.
 * Dandy Boy apples are also very commonly found in Eat'o'tronic 3000 machines and the metro stations, as well as many homes and shacks around the wastes.

Fallout: New Vegas

 * They can be found in various houses and shacks, and also from vendors