Here's a thought.

If you absolutely must have snacks for the kids, make it a rule that...they must make them. Or at least help A LOT with the making of them, and the cleanup.

Otherwise you run a very strong risk of your kids becoming as unhealthy as many of the kids you see in the US. And this is a growing trend in the whole world.

Having the kids MAKE their treats slows down the treat consumption a lot, teaches them skills, and teaches them that they need to work for things.