Don't just call the police. That's what a lot of people do. So, that's a common complaint, loud music, but also sometimes we can have smells, or other things that disturb our senses. Yeah, that's a tough one, that's really a sensitive situation, because if you want to live in the comfort of your own home and not have to deal with unpleasant smells, then your neighbor is just as entitled to cook whatever she likes in the comfort of her own home. So, I would approach her, by saying, I am not sure if you realize what's happening, but, you know, I can smell something coming from your kitchen, would you mind opening your window or maybe using your exhaust fan. You try to approach them politely, reasonably, and if that doesn't work, you can also just talk to the management, and maybe there is something wrong with the building's ventilation system. If something is coming into your apartment, that might be a quick fix without having that uncomfortable conversation.