Probably because it is massed produce and able to stored for years, I remember seeing a frozen turkey in Sainsbury's with a used by date extending about 3 years!!
IMO most frozen veg are excellent and certainly taste better than tinned. Yuk !! I buy frozen fish from M & S and certain veg from Iceland. Its the convenience of having them there to hand if you cant get out or short of immmediate cash. You can always whip up something. I dont like bread when it comes out the freezer though. Never seems to taste as nice. Theres also the fact that theres no waste as with fresh veg. I understand too that frozen is better because its frozen within hours of picking whereas shelf veg could be there for a week
dont get me wrong, I do buy most veg fresh. In fact I spend a fortune on fruit and veg every week. Im just saying that they are handy to have in your freezer.
I imagine since fresh food spoils quickly, retailers must reflect potential loss of income through wastage in the cost. Frozen food is produced in bulk, it doesn’t spoil, and hence, it’s cheaper to supply.
Hence why some folk find it easier, and more importantly cheaper to buy food at places like Iceland than it is to buy fresh fruit, vegetables and meat.
In the winter months I buy most if not all of my vegetables frozen from Costco. There's no difference from the fresh. No one would be able to tell they were frozen veges when cooked. And they taste very good!
I'm not keen on frozen veg but keep a few bags of it in the freezer for when I can't get out or for quickness .Frozen cauli is handy for a quick cauli cheese and I usually have chopped onions , sliced peppers ,peas and sweetcorn .I also buy frozen fruit for me porridge :)
Otherwise I prefer to buy fresh on the whole .
It is cheaper because there is far less waste.
Fresh fish goes off very quickly and if it isn't sold it goes in the bin.
Frozen food companies guarantee to buy x amount of vegetables from the farmer and get a good price. They process it quickly and it is almost guaranteed to sell at the price they want.
With fresh veg there is either a glut or a shortage; if there is a glut then it has to be cheap in the shops, if it doesn't sell it's binned. If there is a shortage it is very dear - binned if not sold.
Things like fish fingers are cheap to produce and can use the less visually appetizing parts of the fish. Still may be fillet (if that is what it says on the packaging) but odd bits are used that wouldn't sell on a fishmonger's stall.