A Champagne tasting at home doesn’t need a long guest list or specialist gear....

https://www.bookmark-ignite.win/a-good-champagne-tasting-at-home-is-less-about-special-equipment-than-a-few

A Champagne tasting at home doesn’t need a long guest list or specialist gear. A few thoughtful choices make the wines easier to compare: chill them to 8 to 10°C, pour small samples, and give each glass room to breathe