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5 of 6
Granny Smith Apple
Superfood Credentials: Research suggests that this tart treat is good for your gut, thanks to a wealth of compounds like nondigestible fiber and polyphenols.

How to Add It to Your Life: Making your own burgers means you can use whatever type of meat you'd like, and for health-conscious cooks, that often means lean beef or turkey. The only problem is that such cuts can become dry when you cook them. Mitchell's secret solution: Stir some grated apple into the meat before forming it into patties. You'll wind up with a more moist burger that has the added benefit of extra fiber.

Get the recipe: Turkey Burgers with Coleslaw and Gruyère