I'm contemplating catering sandwiches for an upcoming event and could use some advice. Firstly, what are your go-to sandwich fillings that tend to please a crowd? I want to strike a balance between classic favorites and some more adventurous options. Secondly, any tips for keeping sandwiches fresh and tasty during transportation and serving? I'm concerned about soggy bread or wilted lettuce. Lastly, do you have any recommendations for reliable catering services that specialize in sandwiches? I'm based in London Get more info. Your insights and recommendations would be immensely helpful in making this event a success. Thanks in advance!