We're a group of 3 people looking for a player and/or GM. Currently we're in between specific systems, but we're looking at Maid RPG right now for a one shot. No specific requirements or anything, but we've tended to keep a more comedic atmosphere in any game.
Not vegan, but this article I think covers some of the decision making on why meat might be used, specifically the section An Unorthodox Chapter Of An Ostensibly Unorthodox Organization.
I will say though the food safety part is very concerning, and the usage of vegan meals because of this makes a lot of sense.