I tend to use-
The best mince from our local butcher
Chunky carrots
Grated butternut squash or parsnips
Leeks
Spring onions
Vegetable stock
Chopped tomatoes
Sage
Black pepper
A good splash of Hendersons Relish
And Maris pipers with butter and milk and a pinch of nutmeg
Then a very small amount of mild cheddar on top.
Usually served with peas and green beans and lashings of onion gravy.