Chapter 6 takes place in the Baratie, when Sanji is still a child. Color cover is Sanji dressed like a prince.
Sanji is still a rookie in the kitchen and he can't keep up with the other chefs. But in the night, he practises a lot with the help of a mouse. One day he has the opportunity to work with a special lamb meat but some chefs try to boycott him. They change that special lamb meat for other lamb meat more difficult to cook.
But Sanji shows his true abilities in the kitchen and creates an amazing dish. At the end of the chapter we can see adult Sanji, just before he mets Luffy and the other. We can see too some Sanji's memories about Germa and his family during all chapter.