The temperature at which you cook or bake puff pastry is 400 F.
Preheat your oven to 400 F and then when the oven is heated up to 400 F you can then put the puff pastry in the oven and then oven and allow it to cook for 20 minutes.
When the puff pastry is done it becomes high and also golden brown and if it hasn't become golden brown then you need to cook or bake the puff pastry a little longer.
You can bake it at a lower temperature but for best results bake the puff pastry at a high enough temperature which is 400 F.
When I bake puff pastry it takes around 20 minutes at 400 F for it to be done.