There's not much to go on regarding who Cook is. It could be an individual with a passion for creating content. Maybe it's an up - and - coming artist or writer who uses this name for their work, like in 'blink part 1'. Without more context, it's all just guesswork.
I'm not sure specifically what the 'cook little pot cook story' is. It could be a story about cooking in a small pot, perhaps a story for children where a character uses a little pot to cook up a delicious meal or a magical potion.
Sakura could be the one teaching him. She's known for being intelligent and having good domestic skills. She might start by showing Naruto the basics in the kitchen, like how to hold a knife properly and how to chop vegetables evenly.
It's possible that the fry cook is someone with a unique background. For example, he could be an immigrant who brought his own style of frying from his home country and incorporated it into the menu. His story would then include how he adapted to a new country, a new kitchen, and new customers while still holding onto his culinary roots.
The Rat Cook in the 'Game of Thrones Rat Cook story' was an individual based in the Nightfort. He was a cook, but his actions were far from ordinary. Due to some grievance against a king, he resorted to an unthinkable act. He killed the king's son, cooked his flesh, and served it to the king as a pie. This act not only horrified the king but also led to a curse on the Rat Cook. His story is one of the many dark and disturbing tales in the rich tapestry of 'Game of Thrones' lore.