Listen to what he says in the video.
1. Do not use the same description meta tag on every page. It will probably be ignored.
2. Make sure that the description meta tag is useful and related to the query. That means that the keywords used in the search should appear in the description meta tag.
You might also want to check the code structure for your pages. Back in the 1990s, Google used to sometimes grab the first block of text it found on a page, which was frequently the menu. Today, it typically looks for a block of text surrounding the keywords used in the search, which could in the page content or in the description meta tag. It is very unusual for Google to display menu text today unless it is having difficulties finding related text on the page.
"Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote." -- Benjamin Franklin