4 hamburger buns with sesame seeds.
4 all-beef hamburger patties (I'd do veggie burgers, of course, but that's coming from a veg*n)
4 slices cheddar cheese.
1⁄2 red onion.
1 medium dill pickle.
1 large tomatoes.
4 leaves romaine lettuce.
1⁄4 cup mustard.