Your Celebration of trick or treat reached the UK a few years ago. I am not happy about it as all it seems to do is give a free hand to all the delinquents in the area to cause mayhem. Last year I went out for a bike ride on the night just so I did not get bothered by the visitors.
I don't mind the local kids doing it and I dare say I will be getting a visit from the grand daughter this year- Especially as "Mum" has made a Decoration for her that she wants to scare me with.
Treats are arranged for them and it was only a few £'s to keep them happy.
But it is those older Kids that I do not know that bother me--So I am going to get my own back on them this year. Home made chocolates. Haven't worked out the details yet as I do not know whether to cook the main ingredients first or leave them raw.
Chocolate covered "Brussel Sprouts" and "Carrots" should make certain that they don't come round next year.