With Balsamic Vinegar of Modena. Vinegar Reduction. Glaze with balsamic vinegar of Modena. This silky smooth sauce is a vinegar reduction made in Italy, using balsamic vinegar of Modena. Rachael loves it because of its multiple uses. With its tart yet sweet flavour, this glaze is perfect for marinating or brushing onto grilled meats, fresh fish and poultry. Product of Italy.