Blend the chicken breasts in a food processor until it forms a paste.

Spread the blended chicken onto a baking tray lined with parchment paper and flatten it with a fork.

Spread cream cheese over the flattened chicken, then layer with sliced tomato, ham, and mozzarella cheese.

Fold the chicken over to create a calzone shape and top with Parmesan cheese.

Bake in the oven at 200°C (400°F) for 25 minutes until golden brown.

Let it cool slightly, then slice and enjoy your high-protein calzone.