Harvard has taken the USDA's food plate and made some modifications. Nice job Harvard. I would make some minor changes, but candidly, they're inconsequential. So, I'll leave well enough alone. 

Take a look. 
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Copyright © 2011, Harvard University. For more information about The Healthy Eating Plate, please see The Nutrition Source, Department of Nutrition, Harvard School of Public Health, www.thenutritionsource.org, and Harvard Health Publications, health.harvard.edu