First click on the fan at the top of the chat box, select the kitchen, and you can open the portable kitchen. Then click the operation to see the cooking page in the kitchen.
Second, click the bookmark in the middle of the head and select the menu you have unlocked, and you can see what materials are needed. You can start cooking by collecting or buying corresponding materials.
Third, if you have enough materials, the recipes you can cook are colored (unlocked), and the recipes you can't cook are gray (unlocked or lack of materials).
Finally, when the light is on, you need to click with the rhythm of the presentation. It's easy to make a fire successfully.