Add all of the ingredients to a bowl, and whisk together until well combined.
Taste the dressing and add salt if needed.
Use your dressing right away, or transfer the dressing to a bottle and store it in the refrigerator. Stored properly, this salad dressing will stay fresh for up to 3 weeks.
Notes
You should end up with about 10 ounces of Olive Garden Italian Dressing from this recipe.