A mystery ingredient turns this fatty pasta dish into a low-calorie guilt-free feast. Hint: this cruciferous vegetable has been shown to reduce breast cancer risk. All you’ll need is 6 ingredients (note: none of them are butter or cream) to make this delicious meal.

Click here to get Dave Lieberman’s fettucine alfredo 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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