Sheet / Tray cake for any celebration

A large tray cake that can serve around a 15 people maybe more depending on how big or small you’d like to cut it. 
Can be done in any kind of colours you wanted and whatever message you want on it or just a simple name and age. 
Cake contains : milk, eggs, gluten 
Vegetarian and halal friendly too 
Please not that I would need as much notice as possible and collections / delivery will never be on a Sunday or Monday. 
Delivery can be arranged in Manchester but extra charges will apply so please send me a message for that correct delivery fee.