Preheat the oven at 400°F (205°C)

Lightly roll out the puff pastry using a rolling pin.

Using a floured 6-in. round cookie cutter, cut four circles in each sheet.

Combine Olive Oil, Salt, and Pepper in a small bowl.

Spread 1/2 Tbsp of sauce in half-round puff pastry, add ham and mozzarella.

Cover with the other half, seal the edges pressing them with a fork.

Spread Ragu` Sauce another with the other half round puff pastry, cheddar cheese, and grated Parmigiano Reggiano, cover with the other half, seal the edges pressing them with a fork.

Put smoked salmon and mozzarella in another half-round puff pastry, cover with the other half, seal the edges pressing them with a fork.

Place on a parchment paper-lined sheet tray and brush the top of calzones with a beaten egg.

Bake at 400 °F for 20 -25 minutes until they are golden brown.