This one might seem counterintuitive, but you'll want to scale up to go down. Rather than low fat or fat-free, use a full-fat oil-based salad dressing, like balsamic vinaigrette.

Here’s why: You’ll likely feel satisfied more quickly, which means you’ll leave a little of the salad behind — and a smaller portion translates seamlessly to at least 100 calories saved without evenin realizing it.