I learned this trick in a French restaurant! The juicy chicken rolls

I learned this trick in a French restaurant! The juicy chicken rolls
Components:
chicken breast: 1 kg
salt: 10 g
black pepper: 8 g
processed cheese: 200 g
carrot: 1 pc
cheese: 200 g
green onion: 50 g
parsley: 40 g
cream: 200 g
lettuce leaves: 100 g
tomatoes: 2 pcs
cucumbers: 2 pcs
cheese: 150 g
green olives: 150 g
salt: 10 g
black pepper: 5 g
oil: 30 ml
mozzarella: 200 g