How to unlock the cook is as follows.

1. After the player delivers a plate of spicy crayfish to White Bear in the game, the player will be asked to go to Nick to work as a chef.

2. Players can unlock the chef profession by studying recipes and cooking according to the prompts at Nick's place.

3. Give the big white bear that plate of spicy crayfish, and then he will ask you to find Nick the chef, and just study the recipes and cook them according to the prompts.