Melt the butter in a large casserole dish, add the oil. Heat through. Add the garlic onions and ginger. Cook until Crispy.
Fry the sausages until they are golden and crisp using just a hint of oil. Add the apple slices and let them cook in the juice of the sausages until they too become golden and crispy. Sprinkle the sugar over the apples and sausages and cook for a further minute.
Place the sausages and apples in the casserole dish, pour in the apple juice and chilli sauce and mix well.
Season with salt and pepper and, if adding beans do so at this stage.
Place in the oven @ 200°C/gas mark 6 for 35-40 minutes.
Serve hot with rice, pasta or potatoes.