Meanwhile, slightly spread cream cheese on a cutting board. Add bacon, lettuce, and tomato on top. Sprinkle with salt and pepper, and chop mixture until chunky and well incorporated. Add avocado and chop 5 to 7 more times.
Gather mixture together; scrape up with a spatula or bench scraper. Spread mixture onto bottom of toasted bagel and place top piece on top. Serve immediately.