Technically, only one of you needs to be on the low-starch diet right? So you could do the Jack Sprat thing, eat the hamburger while your wife eats the bun and fries
On a more serious note -- I've been really happy with how the homemade turkey soup has been turning out. Assuming you can get hold of uncooked turkey breasts or small turkeys, soup is a good way to stretch the meat out for a good number of meals.
