Trump tax law quietly takes aim at popular perk: office snacks

The SkinnyPop in the break room may not last. Donald Trump is targeting the office snack.

The president’s signature tax law allows a long-standing business deduction for the cost of food provided to employees to expire, imperiling a workplace perk popularized during Silicon Valley’s dot-com boom that is now an emblem of modern office culture. A well-stocked pantry is now a staple at Wall Street banks, among other places.

US companies that continue to provide office snacks,...