PER Serving (4oz cooked burger + 3-4 T. avocado mayo + 2oz marinated artichokes): CALORIES 708 | FAT 64g | CARBOHYDRATES 6.25g | FIBER 4g | NET CARBOHYDRATES 2.25g | PROTEIN 28g Bunless cheeseburgers are all but a staple of the ketogenic diet.After all, they taste great, and they're easy (and versatile) to cook. Just 15 minutes on the grill or stove and you have a protein-and-fat packed main course...