For the burger patties
01 -
1 large egg
02 -
1/2 teaspoon fine salt
03 -
1/2 teaspoon ground black pepper
04 -
1 lb (450 g) 80/20 ground beef
05 -
1/2 cup (45 g) fine dry breadcrumbs
For serving
06 -
4 hamburger buns, split and toasted
07 -
4 lettuce leaves
08 -
1 large tomato, sliced
09 -
1/2 small red or yellow onion, thinly sliced
10 -
Dill pickle slices, as desired
11 -
Ketchup, mustard, or mayonnaise, as desired