1. Shred the cheese, seed and chop the chile pepper, combine. Slice the tomato; set aside.
2. Shape the beef into 8 thin patties, put 1/4 of the cheese mixture in the cen ter of 4 of the patties. Top with remaining patties and pinch to seal.
3. Toast the bread. Heat oil in a frying pan and cook the hamburgers 6-8 minute s over medium heat for medium rare. Sprinkle with salt and pepper.
4. Place cooked hamburgers on the toast and top with tomato slices and another slice of toast.
Notes: Per burger: 651 calories, 40g fat