Preheat the oven to 180°C. Line a baking tray with parchment paper.
Unroll the sheet onto a chopping board.
Spoon the pasta sauce onto the pastry and spread it out evenly using a silicon brush. Scatter the dried herbs all over then add plenty of freshly ground pepper (you can add some chilli flakes too).
Cut the olives and sun-dried tomatoes into tiny pieces. Scatter these all over the pastry.Season with salt to your liking.
Starting from one of the long sides, roll the pastry into a long sausage.
Using a sharp knife, cut the log into 12 even pieces. Place these on the baking tray, cut-side up, making sure that there is enough space between them to expand.
Bake in the middle of the oven for 10-12 minutes until golden.
Transfer them to a wire rack to cool.
Serve them warm or at room temperature.