Preheat oven to 350°F (175°C).
Cut or tear bread into bite-sized chunks. Toss with olive oil and season with salt and pepper. Arrange on a sheet tray and bake for approximately 30 minutes.
Chop romaine lettuce into bite-sized pieces and toss with several spoonfuls of dressing, making sure all lettuce is evenly coated. Add a generous handful of croutons and toss again.