Three ounces of meat is about the size and thickness of a deck of playing cards.

One medium apple or one cup of cooked vegetables is about the size of a baseball.

One ounce of cheese is about the size of four stacked dice.

One-half cup of ice cream or one-half cup of cooked pasta is about the size of an ice cream scoop.

One slice of bread or one six-inch tortilla is about the size of a DVD.

One teaspoon of butter is about the size of a poker chip.