Bison is a great alternative (and leaner, if that matters to you) to beef, as Bison herds are usually raised on open, grassy land as opposed to industrial feed lots.
Ingredients
Bison
Sweet Potato Flatbread (Recipe in "Snacks")
Tomato
Lettuce
Condiment of choice
Directions
Grab a package of raw bison and form into hamburger patties
Cook on the stove in butter, ghee or avocado oil