Rollinia
Photo: Julia Corbett
About
Rollinia is a "Large yellow fruit with a bumpy surface and soft spines. Tastes delicious, and is described as a creamy lemon sherbet or a lemon meringue pie. Comes from the Amazon and is a member of the Custard Apple family."
Great video:
http://www.youtube.com/watch?v=rQOcOZUlkhU