4 sausages (choose your favourite)
Half a tablespoon of sugar
1 tablespoon of plain flour
1 teaspoon of mustard powder
1 teaspoon of coarse grain mustard
1 tablespoon of gravy granules
Slice the onion and put in a casserole dish.
Sprinkle the onions with the sugar.
Place the sausages on top and cook for 40 minutes or until the sausages are done to your liking.
Remove the sausages from the dish and keep warm.
Mix the flour and the mustard powder with the onion in the hot casserole dish.
Add the grain mustard, gravy granules and enough hot water to create the consistency you like (I like it quite thick but you may prefer it thinner).
Place the sausages on the warmed plate with the onion gravy poured over the top.
This goes well with some buttery mash and vegetables.