Wash lettuce and tomato thoroughly and cut them into bite-sized pieces.
Season the beef patty with salt and pepper.
Heat some oil in a pan and cook the beef patty on both sides.
Lightly warm the tortilla in a frying pan.
On top of the tortilla, add lettuce, tomato, cheese, and the patty, then drizzle with mayonnaise and ketchup.
Fold the tortilla in half or roll it up to finish.