Combine in a large bowl; the vinegar, olive oil, orange juice, orange zest, salt, and pepper. Whisk to combine.
2 tablespoon Orange Juice, 1 teaspoon Orange Zest, 3 tablespoon Olive Oil, 2 teaspoon White Wine Vinegar, 1 teaspoon Salt, ¼ teaspoon Pepper
Add the cooked barley to the bowl with the dressing.
3 cups Cooked Barley
Top the barley with the chopped red onion, cubed tomatoes, cucumbers, and the finely chopped parsley.
1 cup Fresh Parsley, 2 tablespoon Red Onion, 1 medium Tomato, ½ large Cucumber
Stir all of the ingredients into the dressing until well combined. Store prepared Barley Tabbouleh in an airtight container in the refrigerator for up to 4 days to maintain freshness.