3. Store-bought chocolate chip cookies

The damage (1 small cookie) 80 calories, 4.5 g fat (1.5 g saturated) Commercial baked goods like snack cakes, cookies and crackers are the source of most of our trans fat intake. And ounce for ounce, chocolate chip cookies take the cake when it comes to excess fat and calories. Some products are worse than others: If the label lists sugar, hydrogenated oil, white flour or a bunch of chemicals that read like a Material Safety Data Sheet, you know this product has gone over to the Dark Side of the supermarket.

Healthy alternative Fig bars (1 small fig bar): 60 calories, 1 g fat Figs, like all dried fruit, can really hit the sweet spot. Fortunately, there are several brands that don't use hydrogenated oils. One to try: Newman's Own Organics Fig Newmans. Or make your own healthful cookies or muffins using whole-grain flour and canola oil. You save 20 calories, 3.5 g fat.