In large skillet over medium heat, brown chops in butter, about 20 minutes. Reduce heat; slowly add 2 tablespoons water, 1 teaspoon vinegar, salt and pepper, stirring to mix well. Cover and simmer 20- 30 minutes.
In saucepan mix next 4 ingredients. Cook 2-3 minutes. Strain. Return to heat. Bring to a boil.. Blend cornstarch with 1 tablespoon water. Stir into boiling sauce. Stir and simmer 1-2 minutes. Serve over chops.