Carbs: Starches like potatoes or pasta should not take up more space on your plate than a baseball.
Vegetables: Greens are a clean slate, so think of them as a bar of soap. If they are free of butter and salt, you can have as much as you want.
Protein: Your recommended 3 to 5 oz serving of meat should be about as big as a BlackBerry Phone.
Condiments: Keep your sauces to about a tablespoon or roughly the size of a container of lip balm.
Here are a few more handy reminders:
1 serving of peanut butter=golf ball
1 serving of bread=hockey puck
1 serving of sugar=small stick of gum
1 serving of ice cream=computer mouse
1 serving of salad dressing=a shot glass

