I make eight ounce patties, preferably with grass fed ground beef. I then cook them medium to medium rare.
Brioche bun with thick slices of swiss or provolone cheese on both sides. Maybe some sautéd mushrooms.
That's it. No need for sauces or other condiments.
It's a half-pounder and you only need one per person.
+1 Simplicity with fresh ingredients are the difference.
Yours sounds great, however, have you ever tried wagyu for the burger? I highly recommended.