Heat a frying pan over medium heat. Add the strips of bacon and cook until fully cooked through, flipping halfway. Place the cooked bacon on a paper towel-lined plate and set aside.

Toast the bagel (if desired), and spread the cream cheese evenly over the bottom half.

Assemble the BLT by placing the bacon, lettuce, and tomato on the bottom half of the bagel. Finish by topping it with the top half of the bagel.