Leaf U Source

If you typically eat your potatoes warm out of the oven, you're missing out on the spud's fat-fighting superpowers. When you throw potatoes in the refrigerator and eat them cold, their digestible starches turn into resistant starches through a process called retro-gradation.

Pickles are low-cal, filled with fiber, and covered in vinegar-which is all good news for your waistline. In fact, just one large pickle has 15 calories and 2 grams of belly-filling fiber, so eating three or four can actually leave you feeling pretty satiated for less than 100 calories!