You're all wrong, btw. Here's the ingredients list:
Bread: https://www.ocado.com/products/jacksons-of-yorkshire-white-bloomer/86077011
Cheese: https://www.ocado.com/products/m-s-sliced-gouda-cheese/505687011
Ham: https://www.ocado.com/products/m-s-british-sliced-ham/515027011