How to Turn Cheap Balsamic Vinegar into a Fancy Syrup (Science-Backed)

Yes—you can reliably turn inexpensive, grocery-store balsamic vinegar (typically $3–$6 per 250 mL bottle) into a restaurant-grade reduction that rivals $25 artisanal syrups—*without* added sugars, corn syrup, caramel color, or stabilizers. The transformation hinges not on “cooking longer,” but on…











