Ingredients:

2/3 lb Ground  Beef        Cheese
1 Egg                             Onion
Spices                            Mustard
Olives                            Mayonnaise
Cabbage Leaves             Bacon
 

Additional photos below    

Directions:

Put ground beef, egg and spices in a bowl and mix.  Divide into hamburger patties and place in a hot frying pan, cook.  Melt cheese on top of cooked beef.  Shape thickest part of cabbage leaf to hamburger bun size.  Spread on desired fixin's.  Be sure NOT to add ketchup, BBQ sauce or relish, they all have sugar added. 

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Other Topping Ideas:

Go ahead and add any ingredients that you love, just be sure to check the carb count, and remember nothing with added sugar.  Also note that you could substitute the meat for chicken, turkey, fish, tofu, whatever is your personal favourite.