FSAI published Guidance Note 46 Control of Listeria monocytogenes and Ensuring Food Safety in the Production of Certain Cook/Chilled Ready-To-Heat Meals,  

The guidance emphasises important control measures that food businesses should follow when making multi-component ready meals which are fully pre-cooked at the manufacturing stage, then chilled, assembled, sealed in their packaging and labelled with valid cooking instructions with the intention that they are thoroughly cooked at home by the consumer before consumption.