monterey jack cheese, shredded
fresh chopped coriander
Seed and chop the chile pepper and combine with the cheese and coriander.
Slice the tomato and set aside.
Shape the beef into 8 thin patties, put 1/4 of the cheese mixture in the center of 4 of the patties.
Top with remaining patties and pinch to seal.
Heat oil in a frying pan and cook the hamburgers 6-8 minutes over medium heat for medium rare.
Sprinkle with salt and pepper.
Place cooked hamburgers on the toast and top with tomato slices and another slice of toast.