In small bowl, stir sauce ingredients until well mixed. Cover; refrigerate until serving.
In medium bowl, beat egg and milk with fork or wire whisk. Stir in remaining ingredients except oil. Shape mixture into 4 patties, about 4 inches in diameter.
In 10-inch nonstick skillet, heat oil over medium heat. Cook patties in oil about 8 minutes, turning once, until golden brown. Serve with sauce.