Ham, cheese, and mayo it is.

I’ll raise you some mozzarella.

What about potato salad, noodle salad and similar dishes containing cooked components?

Tuna and mayo it is.

It gets much easier once you factor in that you, yourself, aren’t static and constant. The task isn’t to find someone capable of becoming perfect for you, it’s finding someone whose compatibility and willingness when taken into account with your own offers a fair chance to grow into a symbiotic relationship.