defrosting lasagne in the oven

[lulumama]

can i do this, without poisoning us ? if not, we will be eating at midnight !

can you do it in the microwave?

won't fit!

lol. i think because its already been cooked it should be ok if its completly heated through.
dont take my word for it though

thanks... i'll defrost it very sloowly in the oven