He takes the Horror Pear and bakes it into a delicous pear tart for the Straw Hat Crew, turning something rather undesirable into the perfect dessert.
The pear tart he makes looks vaguely reminiscent of French pear tarts, which makes sense because Japanese people are pretty renowned for LOVING French pastries.
So, I decided to recreate the famous recipe in miniature, to more closely match what Sanji managed to whip up.