19 Apples
When you’re talking about apples, the skin’s the thing—you’ve got to leave it on or you’ll be missing out on fiber and a host of beneficial phytochemicals.
“Once you take the skin off, you take off a lot of the good stuff that’s in there,” Brown says. A single regular-size apple contains about 4.4 grams of fiber.
Try this recipe: Apple-and-Celery-Root Salad
