Fill a serving utensil with water, then measure to see how much it holds. For instance, an ice cream scoop may hold a quarter-cup, while a soup ladle holds a half-cup. Pay attention to how this portion looks in a bowl or on your plate.
Love Thanksgiving but hate the way you feel afterward? The holiday doesn't have to spell food coma, if you know which dishes you can eat with abandon, and which you should abandon entirely.