In the meantime also see my post here which was for the MLE flight.
https://www.flyertalk.com/forum/34079498-post729.html
I didn’t grab a snap of the menu but Dinner is the omnipresent cauliflower dip, followed by short rib of beef with plastic Yorkshire pud, chicken pie (no sides) or honey glazed onion squash. Dessert is the delicious chocolate raspberry crumble pot, then the basic cheese.
Breakfast is full English, cheesy mushroom omelette, or (IIRC) a berry pancake option.
No fish option, but the squash and latter two breakfast options are veggie. I didn’t see what the squash dish actually looked like.