Dr. Oz asked viewers to provide their healthy holiday cookie recipes and they delivered! Cookie Monster guest stars to judge viewers’ cookie recipes. See who is crowned the winner of Dr. Oz’s first ever holiday healthy cookie swap.

Click here for a behind-the-scenes exclusive with Cookie Monster.

Click here for the Healthy Holiday Cranberry Oatmeal Cookies recipe.

Click here for the Eggnog Dark Chocolate Chip Cookies recipe.

Fat Substitutes: Could They Be Leading to Your Weight Gain?

They're hiding in everything from low-fat cottage cheese to protein shakes.

Fat substitutes are compounds that resemble the chemical and physical properties of certain fats and oils and are often used to replace conventional fats (butter, oil) in baking and frying. They can help bring calorie counts down.

But fat substitutes are almost like secret ingredients that hide in plain sight, says Mark Schatzker, author of the upcoming book "The End of Craving: Recovering the Lost Wisdom of Eating Well."

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