1 medium-large onion thinly sliced
2 cloves Garlic - sliced or minced depending on how much flavour you like
2 tsp Oil
Heat Oil in a frying pan or saucepan and Saute onions & garlic together. As the onions start to colour up, deglaze the pan with a little water (2-3 Tsp) to loosen the settlement of pan, do this a few times until onions are soft.
1 Tsp tomato paste
1 cup water or vege stock or beer
2 tsp marmite
1 heaped tsp brown sugar or dark cane sugar
1 tsp corn flour, mix with a little cold water
Bring to a boil and then simmer to reduce to desired thickness.
Season with salt & pepper if you like.
You could also add peppercorns, herbs like parsley, wine, flavour up or has as it is.