Try
Pre-heat the oven to 200`c
Put it in the oven, and reduce the temp of the oven straight away to 150`c
Cook for about an hour
Turn the oven off but let the Pavolova stay in the oven to cool
When it’s totally cold, remove from oven and turn onto a plate, and peel off the baking paper.

This is for a recipe with 4 egg whites. For a smaller recipe reduce the cooking time.

Try a tiny bit of spray on your paper.