In a large bowl, combine the jalapeno pepper, bacon, salt and pepper. Crumble beef over mixture and mix well. Shape into two patties.
Grill, covered, over medium heat or broil 4 in. from heat for 6 minutes on each side or until a thermometer reads 160° and meat is no longer pink. Top with cheese. Spread mayonnaise on rolls. Serve hamburgers on rolls with tomato slices if desired.