Cooking separate vegetarian dinners?

[abitoflight]

DD 19 back home for more than 3 months. Has a PT job about 16 hours a week
Tonight had roast dinner. Separate gravy, separate potatoes. Tomorrow she won't eat salmon so separate fish. Next day, a separate Bolognese. We are happy to eat vegetarian a night a week but AIBU that I'm already pissed off with this? With 3 months to go?
She says thank you and eats the meals but I'm not a bloody short order chef

That sounds like a good plan OP. But please, don't call her a vegetarian if she eats fish. Vegetarians don't eat fish, but unfortunately, so many pescatarians claim to be vegetarian that it is quite common to be offered fish as a vegetarian option. And that pisses me off as there is little enough choice in many restaurants.

Agree she should cook for herself a bit more. Bit given you're cooking anyway, surely veggie 2 nights a week isn't so hard? Good for your health, the environment and your wallet too. We have a lot of veggie family members and everyone will happily tuck into chickpea curries, vegetarian pizzas, frittatas, mushroom risotto, bit minestrone soups that have bacon sprinkled on for the non-veggie, tofu and veggie stir fries - it's not more work than a roast.

Also agree that while veggie gravy is grim, you can make roast potatoes perfectly nicely with veg oil.

In retrospect I should've put this on feed the world section
Long day at work and steam burn from a silly pan didn't add to my patience
Thank you for all the suggestions and yes, she's a pescatarian that needs to learn to cook!

My Mum and Dad used to ask me if I wanted what they were having and if I didn't, then it was understood that I made my own.

That was from about 16 onwards I think.

OP it's time to let her go her own way I reckon!

OP - I think you have a great plan in place now Don’t be afraid to ask for help with the cooking.