Julienne the carrots and toss them with salt, lemon juice, and olive oil to make carrot râpée.
Slice the ciabatta in half and lightly toast it in a pan.
Place burrata cheese on one side of the ciabatta.
Top the burrata with the carrot râpée.
Drizzle with olive oil, sprinkle with pepper, and cover with the other half of the ciabatta to finish the sandwich.