A cereal slider is a long wooden board with three or more types of cereal, in separate small glass bowls.
Becky (pictured) and the other Black Milk customers we chatted to were looking forward to coming back. When we visited on a Thursday morning, it was mainly groups of friends having late breakfasts. A customer called Amelia told BuzzFeed “we wanted to visit the cereal café in London, but since there’s one here we thought we'd pop in for breakfast. The prices are pretty cheap too”.