Tina Marrie wrote:

> This sure brings back memories for me. As a child, grandmother would stretch
> her ground beef by making a meatloaf mixture and then frying them as
> hamburgers. With so many little grandchildren hanging on her apron it was a
> frugal and tasty thing to do. I fry hamburgers in this fashion every once in
> awhile for a treat!

Adding filler doesn't just stretch the meat. There is a lot of good flavour in
that fat and the filler sucks it up and saves it for you.