1Add sliced onion on the bottom of Sc and add pork on top
3Mix mustard,brown sugar, Worcestershire sauce and french onion soup toghether pour over roast
4Now add the sprinkle of brownsugar on top add lid and cook on low for 5 hours and 45 minutes, last 15 minutes turn heat to high
6After cooking,while roast is resting under foil in a deepdish pan, add a packet of brown gravy and some cornflour mixed out with water into liquids in the slow cooker and stir well to avoid lumps. Thenpour gravy back over pork.