I can’t decide if this news is surprising or not. But, according to an article on Bostom.com, portion sizes have grown over the past 20 years:
Along with the American waistline, the American plate and portion size have grown too. A study at Rutgers University supports earlier research that people today eat bigger servings than they did 20 years ago.
Note that this is not talking about portion sizes in restaurants, but at home. We apparently put a whole lot more food on our plates now than we did back then. I cannot decide if that is true or not. ‘course, 20 years ago I was still in high school, living in my Mom’s house.