Pre-heat the oven to 200°C (400°F).
Take the puff pastry out of the packing and roll it out flat.
Cut it in two equal parts (see note 1), and place one half on a lined flat baking tray
Whisk together the cream cheese and Greek yoghurt.
Add half the pepper along with the salt.
Spread over the pastry sheet.
Thinly slice the beetroot and place on top of the cream cheese mixture.
Roll over the edges a little, all the way around.
Bake for 16-18 minutes until golden.
Sprinkle with the remaining pepper.
Allow to cool a little and slice. Enjoy with a lovely crisp salad!