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Sourdough for Health

Internationally recognised as a leading authority on bread nutrition and digestibility, Dr Vanessa Kimbell holds a doctorate in Baking as Lifestyle Medicine and preventative healthcare.

Have you ever wondered why some breads make you feel tired, foggy and achy — or been puzzled that some leave you bloated while others don’t? If you can eat sourdough but not other bread, these articles and recipes are a great place to spark curiosity: learn how bread interacts with the gut microbiome, discover how your unique nutrigenetics shape your response, and read practical, evidence-based guidance. Cutting through the nonsense with clear, useful explanations, Vanessa shares tips, information, advice, recipes and methods to bake, eat and share healthy bread to support digestion and overall health. You can read more about training in personalising bread at The Sourdough School, or book a 1:1 meeting to get your bread personalised.

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Butter


sourdough butter
We make our own butter

Butter is often seen as a simple spread, but at The Sourdough School, we treat it as a cornerstone of nourishment. When paired with wholegrain sourdough, butter becomes an essential part of a gut-friendly diet, especially when it’s crafted with intention. We’ve taken butter-making a step further, transforming it from something ordinary into something that actively supports gut health.

A New Kind of Butter: Cultured for Gut Health

Our process starts by inoculating cream with live cultures from yoghurt or kefir, allowing beneficial bacteria to flourish as the cream ferments. This isn’t just a nod to tradition; it’s about nourishing our gut on a whole new level. The fermentation process produces butyrate, a compound with remarkable effects on the gut lining, supporting everything from immune function to mental well-being. It also creates prebiotic oligosaccharides, which feed our beneficial gut bacteria, making this butter far more than the usual spread.

Why Grass-Fed, Organic Butter?

It might sound simple, but the quality of butter matters enormously. Grass-fed organic butter offers more of the nutrients that truly benefit us—like vitamin K2, omega-3 fatty acids, and conjugated linoleic acid (CLA)—which all play a role in reducing inflammation and supporting heart health. Unlike spreadable butters with added vegetable oils, which can disrupt gut balance, grass-fed butter supports the integrity of the gut microbiome.

Butter and Sourdough: A Perfect Pairing

The combination of cultured butter and wholegrain sourdough is about synergy. Sourdough’s fibre content feeds gut bacteria, encouraging them to produce compounds like butyrate, while the butter brings its own butyrate directly to the table. Together, they create a powerful, gut-nourishing combination that doesn’t just taste good—it actively contributes to a healthier, more balanced microbiome.

This approach to butter-making might seem revolutionary, but it’s about rethinking food as an active partner in health. With each spread of cultured parmesan butter on your sourdough, you’re not just adding flavour; you’re supporting a diversity of gut bacteria that plays a role in everything from digestion to immune health and even mood.

In short, this isn’t just butter. It’s a small but mighty step toward a healthier gut and a more resilient you.

The Benefits of Cultured Butter

This cultured approach to butter-making enhances both the flavour and the nutritional value:

  • Increased Butyrate: The fermentation process naturally boosts the butyrate content, an SCFA that nourishes the gut lining, supports gut barrier function, and provides energy for cells in the colon.
  • Prebiotic Formation: Through fermentation, oligosaccharides are formed, which act as prebiotics, feeding beneficial bacteria in the gut.
  • Rich in Probiotics: By introducing live cultures, the butter itself contains strains of bacteria that can support a balanced microbiome when consumed.

Parmesan and Black Pepper Butter: Doubling the Nutritional Impact

For an added layer of flavour and nourishment, I grate parmesan into my butter, creating an amazing flavour of parmesan butter that’s packed with umami and additional nutrients. Parmesan cheese, particularly when aged, is high in beneficial compounds, including more butyrate and a rich source of protein and calcium. Adding a sprinkle of black pepper amplifies the flavour and may even improve digestion by promoting the release of digestive enzymes.

This parmesan and black pepper butter isn’t just about taste—it’s a functional spread that enhances the nutritional profile of your butter. Each component works together, offering extra doses of butyrate, beneficial probiotics, and prebiotic fibres, especially when spread on wholegrain sourdough.

Vanessa and Katie Shoot-102-2
The Cows are about 3 miles from the school and enjoy being outdoors all year, eating hay in winter.

Why Grass-Fed, Organic Butter Matters

To get the most nutritional benefits, we always use unsalted, grass-fed organic butter. Grass-fed cows produce butter with a higher concentration of vitamin K2, CLA (conjugated linoleic acid), and omega-3 fatty acids, which provide anti-inflammatory benefits and support cardiovascular health.

Supporting Gut Health Through Enhanced Dairy Choices

In addition to butter, other probiotic-rich dairy products like hard cheeses (e.g., parmesan), yoghurt, and kefir further support the gut by providing live bacterial cultures. The probiotics and prebiotics in these foods help foster a diverse and balanced gut microbiome, which is central to gut health and well-being.

Butter and Bread: A Gut-Nourishing Pairing

Butter and bread—especially when both are made with gut health in mind—create a synergy that nourishes the microbiome on multiple levels. The wholegrain sourdough provides the fibres needed to feed gut bacteria, while the cultured butter, especially with parmesan, offers direct sources of butyrate and beneficial bacteria. This combination not only enhances the flavour experience but also maximises the gut-supportive qualities of each bite, making it a simple, delicious, and profoundly nourishing addition to any diet.

The Takeaway

Making butter this way, with probiotic inoculation and the addition of parmesan and black pepper, is a beautiful example of how food can be crafted with both pleasure and health in mind. This approach represents our commitment at The Sourdough School to elevate each element of a meal, enriching it not only with flavour but with ingredients that nourish us deeply.

Take a look at our courses at The Sourdough School

All reasonable care is taken when writing about health aspects of bread, but the information it contains is not intended to take the place of treatment by a qualified medical practitioner. You must seek professional advice if you are in any doubt about any medical condition. Any application of the ideas and information contained on this website is at the reader's sole discretion and risk.

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Todays live for diploma students will be on 'How t Todays live for diploma students will be on 'How to engage your patient in the lifestyle changes of the BALM' with @vanessakimbell 

In their 6pm live session, we help keep our students on track with the syllabus and discuss the application of Baking As Lifestyle Medicine to the 6 pillars of Lifestyle medicine, applying the research papers, application of the Research, and how this ties into prescribing, along with guest lecturers, discussions and sharing knowledge.

#lifestylemedicine #health #functionalmedicine #nutrition #integrativemedicine #healthylifestyle #wellness #lifestyle #rcgp #dietitian #nutritionist #healthcareprofessional #holistichealth #healthyliving #plantbased #guthealth #naturopathicmedicine #selfcare #functionalnutrition  #naturopathicdoctor #foodasmedicine #foodismedicine #lifestylegoals #cpd #lifestylechange #mentalhealth #sourdough #sourdoughschool #bakeforhealth
BAKE, ANALYSE, EAT; RECALIBRATE & REPEAT. 📆 Th BAKE, ANALYSE, EAT; RECALIBRATE & REPEAT.

📆 The Sourdough School Clinic - Thursdays 8pm - for students of The Sourdough School 

✏️ In this weekly live session, we cover technical baking questions. Students can submit their Baking Record Sheets in advance of the session.

📋 We look at the details of our student's bakes - the specifics of the flour, timings and temperatures. Using our sourdough record sheets Vanessa will make suggestions on how they might modify, or recalibrate the next time they bake.

Follow the link in the bio to learn more about becoming a student at The Sourdough School 👆

#sourdough #sourdoughschool #bread #sourdoughlove #sourdoughlover #naturalleavened #leavening #levain #realbread #breadmaking #bakebread #makebread #makerealbread #learntobakebread #breadmakingclass #sourdoughstories #bakingforlove #bakingtherapy #sourdoughbaking
IBS AWARENESS MONTH Do you suffer from irritable IBS AWARENESS MONTH

Do you suffer from irritable bowel syndrome (IBS)? It can be tough to deal with the uncomfortable symptoms of stomach cramps, constipation, diarrhoea and bloating. But did you know that making dietary changes, such as incorporating sourdough bread into your diet, could help alleviate some of those symptoms?

Studies have shown that sourdough's long, slow fermentation process can reduce IBS symptoms. Plus, during #ibsawarenessmonth, we're exploring how adding different herbs and spices to your sourdough can further improve both the flavour and the digestion of your bread.

Let's talk about gut health, fermentation, and how sourdough can be a delicious and healthy addition to your diet. Join the conversation and share your experiences with IBS and sourdough.

#guthealth #healyourgut #healthygut #guthealing #guthealthmatters #letfoodbethymedicine #foodasmedicine #gutbrainconnection #nutrientdense #micronutrients #digestivehealth #nutritionfacts #microbiome #breadandguts #ibsawarenessmonth
THE SOURDOUGH SCHOOL – HAND CARVED WOODEN LAME THE SOURDOUGH SCHOOL – HAND CARVED WOODEN LAME

One of the biggest issues around using a plastic lame to score sourdough, of course, is that eventually the blade will become blunt and the lame could end up in landfill.  So several years ago I talked to my dear friend EJ about developing a lame with a replaceable blade. And he came up with this very beautiful hand carved wooden lame.

Very sadly EJ is no longer with us. Recently a friend of EJ’s who is also a wood turner and carver offered to make these again for us in remembrance of our dear friend.

Follow the link in the bio to our shop where you can find our full selection of wooden sourdough tools 👆

#sourdough #sourdoughschool #bread #sourdoughlove #sourdoughlover #naturalleavened #leavening #levain #realbread #breadmaking #bakebread #makebread #makerealbread #learntobakebread #breadmakingclass #sourdoughstories #bakingforlove #bakingtherapy #sourdoughbaking
The Baking As Lifestyle Medicine (BALM) Protocol The Baking As Lifestyle Medicine (BALM) Protocol

The current food system is broken at multiple levels, from the pesticides used in our soils to the emulsifiers and additives adulterating industrially-processed foods. Nowhere is this more apparent than in the bread we eat.  The figures reported by the UK Flour Millers say that bread is bought by a staggering “99.8% of British households” and that “the equivalent of nearly 11 million loaves are sold each day. Approximately 60-70% of the bread we eat is white and sandwiches are thought to account for 50% of overall bread consumption. Average bread purchases are the equivalent of 60.3 loaves per person per year.” 

Most bread sold is made by modern processing methods that strip heart-healthy whole grains of their nutrient contents, resulting in low-fibre bread with a high glycemic index. Over time, white processed bread can increase a person’s risk of insulin resistance alongside other lifestyle diseases.

We’re on a mission to revolutionise the bread making process at every level – from soil to slice. The rules governing this are laid out in our Baking As Lifestyle Medicine protocol. 

#lifestylemedicine #health #functionalmedicine #nutrition #integrativemedicine #healthylifestyle #wellness #lifestyle #rcgp #dietitian #nutritionist #healthcareprofessional #holistichealth #healthyliving #plantbased #guthealth #naturopathicmedicine #selfcare #functionalnutrition  #naturopathicdoctor #foodasmedicine #foodismedicine #lifestylegoals #cpd #lifestylechange #mentalhealth #sourdough #sourdoughschool #bakeforhealth
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