love them both! porridge - I use 150 mls just boiled water, stir in slowly so no lumps and do 1 min in micro, stir then 1 min more. yum :-)
carbonara - 130 mls just boiled and stir in so no lumps, 30 secs in micro, stir, 30 secs, stir, 30 secs again (otherwise I get cheese volcano) then leave...