Wipe roast with damp paper towels.
In small bowl, combine mustard, poultry sea- soning, sugar, salt, pepper, and flour.
Rub well into roast.
Heat oil in medium Dutch oven.
In it, brown roast well on all sides.
Add remaining ingredients and 1/4 cup water.
Cover; simmer 2-1/2 hours, or until fork-tender, turning twice during cooking.
Serve with pan juices.
Makes 6 servings.