What can I replace ham with in this recipe to make it vegetarian?

[breatheslowly]

I'd like to try to make this (scroll down for English translation). What could I replace the ham with for a vegetarian version?

Vegetarian ham.

Mozarella or gruyere? Or just leave it out. Maybe tapenade or sundried tomato paste if you want a salty and sweet hit?

I'd try slices of lightly smoked aubergine. Have to cut it with a razor sharp knife though. Or, if you want the colour, try red radicchio or razor fine slices of beetroot.

I think thin slices of a cheese like maasdam, edam or emmenthal would work, and I second the idea of the sun-dried tomato paste from a pp

nice bit of smoked veggie cheese for me please!

sundried tomato slices