Note: This roast makes a hearty yet thin sauce – remove some of the fat from the top by skimming it off with a spoon at the end of the cooking process. If you prefer a thicker gravy, pour the skimmed sauce into a small saucepan, bring to a boil, and thicken slightly by reducing it by ¼ or by adding 2-3 teaspoons of corn flour (mix it to a slurry consistency with a few teaspoons of water before adding it). Stir well until thickened.