I personally think most people over-dress their salads. I think it comes from the days when you only had tasteless iceberg lettuce to work with, so the only flavor you got was by putting loads of dressing on it. Read more . Now, with all the flavorful lettuces available, it's much better to lightly dress your greens so you can taste them, and better for your waist to do it with a lighter version of dressing. Adding water to a very flavorful olive oil accomplishes this beautifully. This much dressing will nicely coat up to 8 cups of greens.