Does the questioner want to ask "How much temperature and time should the shortbread taken out of the freezer be heated in the oven?"

200 degrees Celsius for 3 minutes.

According to the Chinese Food Network, the shortbread taken out of the freezer is heated in the oven at 200 degrees Celsius for 3 minutes.

An oven is a sealed electrical appliance used to bake food or dry products. It is divided into household appliances and industrial ovens.