Hi all, bought one of these this morning and the instructions on the packet were not clear. Am I supposed to defrost this before putting it in the oven , and if so defrost for how long? Or do I put it in the oven straight from the freezer? There are no clear instructions as to whether it's meant to be defrosted first or not! Very confusing - have spoken directly to Aldi head office and they couldn't help me either! 