Crusty on the skin, chewy within the center and topped with avocado on each fashionable restaurant menu round, sourdough is the bread of the second.
Hundreds of thousands of us baked it throughout lockdown, celeb followers embrace Meghan Markle and Tom Hardy — and artisan bakeries cost upwards of £6 a loaf.
It’s even made it to the bread aisle of your native grocery store, the place you’ll discover bloomers, boules, bagels and crumpets claiming to be actual sourdough for a fraction of the worth.
However must you consider what you see? For bread consultants say grocery store loaves are extra usually ‘sourfaux’ than sourdough, attractive clients by promising contemporary bakery bread which is, in lots of circumstances, baked from frozen and packed filled with components, preservatives and sugars.
Sarah Rainey (pictured) places sourdough to the style take a look at after bread consultants say grocery store loaves are extra usually ‘sourfaux’ than sourdough
What’s extra, ‘sourfaux’ bread lacks the numerous well being advantages related to real sourdough, which is alleged to help digestion, bolster microbes within the intestine and even enhance mind perform.
So why are there so many pretenders round? And how are you going to inform if a loaf is genuine?
‘Sourdough is so fashionable, however it takes time to make and plenty of talent and follow,’ explains sourdough baker Jack Sturgess, writer of Bread Each Day. ‘Actual sourdough comprises flour, water and salt. That’s it.
‘Making sourdough with the addition of bakers’ yeast quickens the method massively, eradicating the necessity for specialised talent and making all of it a lot simpler — however it additionally removes what makes sourdough truly sourdough. It’s the time taken by the pure fermentation that brings the flavour and texture, and that may’t get replaced by the rest.’
To the uninitiated, conventional sourdough — which might be traced again an astonishing 14,000 years — is made utilizing what’s referred to as a ‘starter tradition’. This comprises flour, water and naturally occurring lactic acid micro organism and yeasts (within the flour), which act because the elevating brokers and make the loaf develop.
This starter is developed right into a dough by including extra flour, water and salt, letting them react with the starter, and repeating this a number of instances over one to 3 days earlier than baking the loaf.

With the worldwide sourdough market price £1.88billion, and predicted to develop at a charge of just about 10 per cent a yr, it’s straightforward to see why supermarkets need a slice of the motion
As a way to replicate this on a big scale, many supermarkets and massive bakeries add elements that produce sourdough in only a few hours, which means it’s far cheaper to churn out.
These embrace yeast (to make it rise quicker), an additive known as ascorbic acid (decreases the rising time and will increase the scale of the loaf) and yoghurt or vinegar (to make it acidic, give a bitter flavour and protect it for longer on the cabinets). Some grocery store loaves comprise as many as 4 instances the variety of conventional elements. Whereas these aren’t unhealthy per se, including them to bread means it’s not a conventional sourdough — no matter it says on the packaging.
With the worldwide sourdough market price £1.88billion, and predicted to develop at a charge of just about 10 per cent a yr, it’s straightforward to see why supermarkets need a slice of the motion. Sourdough bread gross sales soared by 98 per cent in 2018 and the rustic-looking, flour-dusted loaves have change into a social media sensation, with #sourdough yielding 5.9 million every day posts on Instagram.
Marks & Spencer, which makes one of some real grocery store sourdoughs round, is about to launch a brand new vary of 15 loaves — and has grown its personal particular starter tradition for the aim.
However beneath all of the hype, meals consultants say, it’s straightforward to miss the very fact sourdough bread is definitely good for you; whereas so-called ‘sourfaux’ lacks the identical well being advantages.
‘Real sourdough comprises reside cultures which assist to help a wholesome intestine,’ explains nutritionist Jenna Hope, who works with the Bertinet Bakery. ‘Stay cultures produce short-chain fatty acids, together with butyrate, which has been related to lowered irritation and supporting cognitive perform.

In contrast to another foodstuffs (amongst them immediate espresso, beef burgers and pesto), which have authorized descriptions — which means they have to comprise sure elements to make use of these names by regulation — there aren’t any such rules relating to the labelling of sourdough
‘For many who battle to digest bread, sourdough might be simpler because the sluggish fermentation course of breaks down among the gluten proteins.’
She provides: ‘Sourfaux is commonly laden with many extra elements, resembling bulking brokers, components and preservatives, which contribute to rising the shelf-life and dashing up the fermentation course of.
‘In such circumstances, the reside cultures haven’t been given the time to domesticate correctly.’
In contrast to another foodstuffs (amongst them immediate espresso, beef burgers and pesto), which have authorized descriptions — which means they have to comprise sure elements to make use of these names by regulation — there aren’t any such rules relating to the labelling of sourdough.
Supermarkets which promote loaves labelled ‘sourdough’, subsequently, don’t have any obligation to make use of solely the standard elements and are completely entitled to make use of completely different recipes. It’s as much as clients to identify the distinction.
Vanessa Kimbell, who runs The Sourdough Faculty — programs in vitamin and digestion for bakers and bread eaters — in Northamptonshire, has been lobbying the Authorities to alter this, as a part of The Actual Bread Marketing campaign, for nearly a decade. Campaigners need a new authorized definition of sourdough, in addition to the phrases ‘contemporary’, ‘freshly baked’ and ‘baked in retailer’.
In March, the Division for Surroundings, Meals and Rural Affairs stated it hopes to launch a public session on the difficulty this summer time.
Within the meantime, says Vanessa, sourdough followers ought to begin studying the packaging of their bread very intently certainly.
‘Simply the phrase “sourdough” doesn’t minimize it; don’t consider it,’ she provides. ‘It’s best to take into account bread in the identical manner you take into account wine.
‘Have a look at the label, spend a couple of minutes on it, and solely purchase it if the elements are belongings you truly need to put in your physique.’
Sourdough, it appears, could also be the most effective factor since sliced bread… however provided that it’s the actual deal.