Email to KateMarie Pork: Pork Roast Source of Recipe unknown List of Ingredients 1 boneless pork roast ( about 3 lbs) 1 (8oz) can tomato sauce 3/4 cup soy sauce 1/2 cup sugar 2 tsp. ground mustard Instructions Cut the roast in half and place in a crockpot. Combine the remaining ingredients and pour over the roast. Cook on low for 8-9 hours.