Oh yes, that has reminded me of a few more.
Tinned Heinz ravioli with some cheese melted on top
Tinned Macaroni cheese
I know both of these are very wrong, but like you they remind me of my childhood.
Further tinned items to be put on toast are pilchards and those tinned chilli con carnes...
So many options, with this one.
Poached eggs, with spinach or ham or nothing, sometimes also accompanied with hollandaise, if not just salt and pepper
Fried eggs, only with a fry up, but always on toast.
Scrambled eggs cooked with so much butter you do not NEED to butter the toast, though I...