Stir in butter. If desired stir in extract and food coloring. Pour into the prepared pan. Cool for 15 to 20 minutes or till taffy mixture is easy to handle. Butter your hands.
Candy is ready if it cracks when tapped on counter.
With buttered scissors, snip each strand of taffy into bite-sized pieces. Wrap each piece in plastic wrap. Cut into 4 serving size pieces. Place milk in a shallow dish. Place flour in another shallow dish.