On a sunny October afternoon in the London neighborhood of Bermondsey, a cool breeze surprised me with the winey smell of apples. It brought on a sudden sharp craving for a nice chunk of cheddar, the fruit and the cheese together being a favorite after-school snack when I was growing up in Connecticut. This was an appropriate prompt, too, since I was on my way to a very privileged lesson in British farmhouse cheeses at the beginning of an eight-day, cheese-themed trip to London and Somerset run by the specialty tour company Cheese Journeys.

My destination was the empyrean address for anyone who really loves best-quality British cheeses: the aging cellars of the Neal’s Yard Dairy. Not normally open to the public, they occupy a set of soaring, neatly vaulted spaces created from four arches of a sturdy red brick Victorian railway viaduct. Here, along with the rest of my group of 18, I’d be getting a fascinating tutorial in both British cheeses and the cheese-mongering company that saved many of them from extinction. This trip was also a sort of homage to my paternal grandmother, since she’d been the one who’d first pricked my curiosity about cheese with her love of crumbly black-waxed extra-sharp New York cheddar.

On this trip, I’d learn how these cheeses, especially cheddar, are made and aged from the cheese­makers who produce mighty rounds on their farms in Somerset in the West Country.

The hosts were also steeped in cheese: Anna Juhl, the founder of Cheese Journeys, and Laura Downey and Chris Palumbo from Fairfield & Greenwich Cheese Co., a pair of cheese shops in those Connecticut towns. They were great company and a deep source of information about everything cheese during our days together.

The journey had started earlier that day with a fascinating morning tour of Borough Market, one of the largest and oldest food halls in London, by American-in-London guide and cookbook writer Cecilia Brooks. That had been followed by a superb picnic lunch of gigantic sausage roll sandwiches from the Ginger Pig, a stall in the market that specializes in free-range British meat and poultry and is well-known for its delicious sausages.

Neal’s Yard Dairy was founded by Randolph Hodgson in a ramshackle corner of London’s Covent Garden in 1979, and it launched the renaissance in British farmhouse cheeses not only by creating a retail showcase for them, but also by building an efficient international distribution network, aging cellars and partnerships that have helped many British cheesemakers stay in business and thrive.

Donning protective plastic bonnets, shoe caps and jackets, we began our tour of the aging cellars with Yvonne Yeoh, a charming Singaporean woman who lives between New York and London and is the sales director for Neal’s Yard. The regular rumbling of trains overhead didn’t distract us because what she had to say was so interesting.

“The human diet as we know it today began with fermented foods, notably cheese, bread, wine and beer. Fermented foods were the beginning of the gastronomic complexity we now rather feebly describe as ‘delicious,’ ” she said. “Does anyone know how milk was preserved as a food before there was refrigeration?” Yeoh scanned the crowd of shaking heads and blank faces. “You made cheese!” she said.

At the end of the tour we sat down for a tasting of seven Neal’s Yard cheeses, including a couple of surprisingly complex soft cheeses — Wigmore, a washed-curd ewe’s-milk cheese made in Berkshire, and Elrick Log, a raw-goat’s-milk cheese from Lanarkshire in Scotland. It was the long, thin, sunny triangle of Montgomery’s cheddar that stopped me in my tracks, though.

Its pleasantly earthy barnyard flavor, with notes of mushrooms and broth and a long lingering finish, was the ringing apotheosis of cheddar cheese, and its taste immediately became one I’d not only never forget but crave forever.

A manor fit for cheese

The following morning, we left London by bus to go to North Cadbury in Somerset, in the West Country of England, where cheesemaker Jamie Montgomery makes this spectacular and very rare cheese with milk from his herd of some 200 mostly Friesian cows at Manor Farm.

On the way out of London, Juhl, an Iowa native, explained the genesis of her travel business. She’d originally trained to be a nurse, but discovered her love of cheese after hiring a Swiss au pair in 1994. “Katja introduced us to the wonders of fondue, raclette and other Swiss dishes, which changed our lives forever,” Juhl said. When her husband, a bank auditor, was transferred to Salt Lake City in 1997, Juhl bought a cheese and specialty foods shop there.

After moving to New York City in 2007, she missed having a hands-on relationship with cheese, so in 2013, she and her husband teamed up with George, Neal’s Yard’s veteran cheesemonger, and launched Cheese Journeys. Today, they run cheese-themed trips to Belgium, England, France, Italy, the Netherlands and Switzerland, with six trips planned for 2024.

If a sudden and thrilling glimpse of Stonehenge first roused many of the drowsing travelers on our bus an hour and a half west of London, the crowd cooed in unison 30 minutes later when we arrived at North Cadbury Court, the magnificent country house that’s been the seat of the Montgomery family for more than a century and which would be our home for the next six days.

“Owning the castle, which is what I call staying at a house like this one, creates an easygoing house-party experience guests enjoy,” Juhl said that night while we were having drinks before dinner in the baronial oak-paneled North Hall. The arrangement also allowed Juhl to put her preferred private chef, the exceptionally talented Frenchman Sylvain Jamois, in the estate’s kitchen. These meals were a highlight of our trip, too, since Jamois has a superb mastery of British country-­house cooking, food you rarely find in restaurants, including handmade pies, potted prawns and gorgeous roasts, including a whole roasted suckling pig.

Biology, chemistry, craft

When he came to fetch half of us for a personal tour of his farm and dairy the next morning, Montgomery had straw on his sweater that established his credentials as a farmer, and his easy smile and slightly bashful manner immediately put us at ease. As we walked by his farm, he gestured at his cow-dotted pastures and said, “Our job is to try and get the taste of all of this into our cheese.”

He added: “The French call it terroir, the whole idea that something can only come from one place, but I call it common sense and respecting nature.”

While we donned protective gear — hairnets, shoe caps and white-fabric jackets in his messy office, Montgomery told us the history of his family’s 112-year-old dairy. Then he showed us how cheddar is made.

Standing around the oblong stainless-steel-lined vat — where the morning’s pale yellow milk was being stirred by two mechanical arms to begin forming curds — was like some sort of communion. Next, the curds were separated from the whey and churned by hand by the cheesemakers, before being cheddared, or allowed to coagulate. The curds were then cut into rectangular sheets that were shredded, salted and fitted into cheddar molds to be pressed overnight. The new cheeses were then wrapped in cotton muslin, which is why they’re called clothbound, and smeared with lard (to encourage the growth of healthy mold and help the cheese to retain moisture) before being brought to aging cellars.

Ultimately, I liked the farm visits best, because it was so interesting to see how every farmer and cheesemaker had his or her own style. At Westcombe Dairy, the father-and-son team Richard and Tom Calver have converted their farm to regenerative agriculture, a term that describes farming and grazing practices which are meant to actually improve the land.

The Calvers also favor leaving nature pretty much to its own devices in their pastures, “because the more diverse the plants the cows graze on, the richer the flavor palate of the cheese,” explained Tom Calver, who trained as a chef and worked in London before coming home and becoming a cheesemaker.

“But we’re not against innovation either,” he said with a grin when he led us into the dairy’s maturing cellars, where a cheddar-turning robot, nicknamed Tina the Turner, has taken over the backbreaking work of shifting the heavy rounds of cheese as they age.

We tasted the cheese over a picnic lunch of salads and charcuterie with deliciously hoppy suds from a local craft beer brewer called the Wild Beer Co. “Alec, how would you describe the Westcombe Cheddar?” one of the cheesemongers from Connecticut asked me. I replied that it had a somewhat less formal flavor than Montgomery cheddar, with an occasional whiff of herbaceousness and notes of hazelnut, caramel and citrus.

“Nice!” she replied. A memory of my paternal grandmother moved in my head, of the day her elaborate description of the taste of a piece of cheddar from upstate New York sent my brother and I into a gale of giggles. “Someday after you’ve learned how to express taste, you’ll find there are few subjects more worthy than a good piece of cheddar,” she said with a raised eyebrow.

Fifty years later, I learned that she was right.

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