Gather bread, bacon, lettuce, tomato, mayonnaise, salt, and pepper
Cook the bacon until crisp
Drain the bacon on paper towels
Wash and dry the lettuce
Slice the tomato
Toast the bread if desired
Spread mayonnaise on the bread
Season the tomato slices with salt and pepper
Layer lettuce, tomato, and bacon on one slice of bread
Top with the second slice of bread
Cut and serve