Use the onions in a thick onion gravy and serve with mashed potatoes or just serve on its on!
I found this better cooked in a small dish so the batter envelops the sausages better. I've only made this once, and whilst the taste was great, I need to tweak the quantities for a thick batter.
The liquid, milk/water needs serious reworking batter far to thin - 22 Jul 2013