The phrase "finger sandwiches" refers to small sandwiches that can be easily held and eaten with one's fingers, typically served at parties or tea time.
Sentences with «finger sandwiches»
Tea 5 serves afternoon tea with finger sandwiches and Parisian pastries. (sofitel.com)
Personally I'm quite obsessed with fish finger sandwiches. (xboxoneuk.com)
They taste terrific but would only work for finger sandwiches lol. (wheatbellyblog.com)