America's Test Kitchen demonstrated this smart tip on their blog and we can't wait to try it. When you reduce supermarket variety balsamic along with a little sugar and port over very low heat, what results is a concentrated version worthy of a higher price tag. Try using it with these recipes:
How do you use really great balsamic vinegar?
• Watch the video: How to Instantly Age Supermarket Balsamic Vinegar at America's Test Kitchen
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