In a small mason jar or lidded container, combine the balsamic vinegar, honey first to allow the honey to melt from the acid of the vinegar. Then add the minced garlic, Dijon mustard, salt, and a few cracks of fresh black pepper. Give it a quick stir.
1 tablespoon honey, 1 garlic clove, 2 teaspoons Dijon mustard, ½ teaspoon kosher salt or sea salt, Freshly ground black pepper