i do similar to Sas - cauli brocolli, zuc, spud, sweet spud, swede, turnip, carrot, parsnip - cube it all - sorta fry/steam it in a big electric fry pan that we have - make a cheesey white sauce, mix it through, put it in a lasagne dish, bake

if we're wanting it to go further, we add pasta
if we want meat, we add browned chicken cubes

if you don't know how to make white sauce, let me know and i'll type up how i make it