You can use display item format in menu button and shop product's display-item option.
Single
If your display item is only one and does not have any condition to display it, simply use Item Format in this section!
B:display-item:material:BREADname:'&cSuper Bread'
Multi
If you want set multi display item for this button or product and use condition system to make us choose one of it to display, simply use this new format as below: