I brought a bag of McCain Homebakes because it was on a special introduction offer in Morrisons at £1.49 for a good size bag. It's basically a frozen potato bake, you just pour out as much as you need into an oven proof dish and then cook it for about 30 minutes. It's a brill idea and so easy to do, but I realised quick that it's not a very cost effective way to do a potato bake because even though the slices of potato look big in the bag they are actually coated in the thick frozen cheese sauce and will shrivel down to nothing when they are cooked. Well, not shrivel exactly but they do get a lot smaller! To give you a bit of an idea this 1 bag ...  Read the complete review