Tortellini and pesto (max easy, for the busiest nights)
Mackerel / tuna pasta (tinned fish, tin tomatoes / veg or jar of pasta sauce)
Quiche or pie, new potatoes and veg
Omelette and veg (usually garlic green beans), with new potatoes or chips
Baked salmon pieces, with various things on top (korma or tikka paste mixed with yoghurt oil lemon juice, or herbs lemon butter oil garlic, or just a squeeze of lemon and some seasoning, or oyster sauce with garlic and ginger). Serve with brown or white rice and fresh veg
Or any as above with fish cakes, breaded fish, chicken thighs, etc.
Sausages and mash and beans
Baked potatoes and salad and whatever to go in them
Stir fry
Fish or veg or chicken curry - can be super quick with just the stuff and the sauce tipped over and made hot, and plain rice (sad) or can take lots more time and fry up lots of onions, veg, use nice pastes, simmer for ages etc, and do v nicely cooked rice with onion and spices etc, with lots of good things on the side.