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Portion-mania: problematic for waists and waste. But could McDonald's be on to something?

Dana Gunders

Posted October 11, 2012 in Living Sustainably

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McDonald’s has a pretty unsavory reputation when it comes to public health. Lately the company has taken some steps to improve their image, launching vegetarian restaurants in India and putting fresh apples into Happy Meals.  But there’s something at the core of their business that has at least the potential to do some good for both our waistlines and a different kind of waste: our waste of food. They offer flexible portions. 

Walk through those golden arches and you have your choice of a cheeseburger, double cheeseburger, quarter pounder with cheese, or double quarter pounder with cheese.  Chicken nuggets?  Do you want 4, 6, 9, or 20?  Fries with that or no?  It’s choice, and we Americans love choice. But it also means only ordering (and only spending money on) the food we actually intend to eat.  McDs.JPG

Of course, simply providing choice is not the whole picture. How many people actually opt for the plain single hamburger when the double is just a few cents more expensive?  Turns out, not many.

In 1955, McDonald’s introduced a new product line—french fries.  The original portion weighed 2.4 ounces (and had 210 calories). Today, that product is known as a small order of french fries, and is normally overlooked for the Supersize, at 7.1 ounces (and 610 calories).  What’s more, the largest order of french fries in the United States is a whopping 37% larger than the largest size available in the United Kingdom. That’s a lot of fried potato.


Consider how portion sizes of some other common foods have grown over the past 40 or so years:

Popcorn.jpgThis has meant a lot of additional calories that we’re routinely eating but probably don’t need to be. But it’s also meant a pretty shocking increase in the amount of food we’re discarding. Today, we waste 50% more calories than we did in the 1970’s.  The average American today wastes ten times as much food as their counterpart in Southeast Asia. 

Food waste is a complex issue with many drivers, but ever-expanding portion sizes are undoubtedly one of them. But while much  attention has been paid to the resulting impacts on obesity, there has been relatively less focus on the ways in which increased portion sizes have contributed to the growing amount of food that gets wasted.

“Plate waste,” the food left on the plate after a meal is finished, is a significant contributor to food waste in restaurants. On average, diners leave 17 percent of meals uneaten and 55 percent of these potential leftovers are not taken home. At the heart of the problem is that for restaurants and cafeterias, food costs represent a relatively low portion of operating costs when compared to things like labor and rent.  Put simply, they need to make a certain amount of money per customer to stay afloat, and since throwing more food on the plate makes the value go up in most people’s eyes, that’s exactly what they do.  From a business perspective, this makes perfect sense.  From a social or environmental perspective, the costs are pretty staggering.

Consider that we use 50% of our land and 80% of our fresh water every year to grow food, 40% of which never gets eaten.  That’s a lot of resources going to waste.  And when that wasted food ends up in landfills, it releases methane, a greenhouse gas 23 times more powerful than carbon dioxide and a major contributor to global warming. Consider also that this is all happening at a time when 1 in 6 Americans today is food insecure, meaning that at any given time, they might not have the means to get enough food. Just a 15% reduction in food waste could free up enough food to feed 25 million people.

And it’s not just restaurants.

Homes are not exempt from the large portion trend.  The Cornell Food and Brand Lab reports that serving sizes in the Joy of Cooking cookbook have increased 33.2% since 1996 alone.  That is, a recipe that used to “serve 10” now “serves 7” (or the ingredient amounts are greater for the same number of servings).  In some cases, this leads to overeating.  In others, it simply leads to extra food that ends up in the trash. 

So what’s the fix?  Well for starters, more restaurants can take a page from McDonald’s book and start offering half orders and a la carte options.  Popular restaurants and cafes like TGIFridays, Au Bon Pain, and Cheesecake Factory already offer smaller-portion options.  Now the rest of the industry should follow suit. Restaurants can also do away with “split plate” charges, which actually penalize customers for only ordering what they’ll eat and eating what they order. 

For McDonald’s part, offering a small portion but highly incentivizing purchase of something twice the size is still problematic.  If they are going to truly be partners in this public health crisis, they need to use all their persuasive techniques to truly help people eat better, not just list it on the menu.

As consumers, we should know that many restaurants offer half orders at a reduced price even if it’s not on the menu.  And if they don’t, just take home the leftovers. And then remember to eat them.  When you’re at home, be realistic about what you’ll eat, save leftovers, and consider replacing your plates.  Simply switching to a smaller plate could mean eating fewer calories, bringing with it important health benefits and the potential to waste less food and save more money.

Photos courtesy of StephenZacharias via Flickr and National Heart, Blookd, and Lung Institute Portion Distortion slide set.

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Switchboard is the staff blog of the Natural Resources Defense Council, the nation’s most effective environmental group. For more about our work, including in-depth policy documents, action alerts and ways you can contribute, visit NRDC.org.

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