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Just a heads up. Many of you may already know about this. But if you don't very useful.
Strong bread flour is becoming short in some supermarkets and shops due i'm told of the war in Ukraine.
The good news is that there is always plenty of plain flour that can be bought cheaply.
But what you need to do to turn it into bread flour is to add " Vital Wheat Gluten" this is only about £2.50 per 500g bag.
You only have to add 25g to every 500g of plain flour, you now have bread flour. Happy baking!!