Green Thunder is a mature cheddar infused with roasted garlic and garden herbs, sold in a distinctive green wax coating by Snowdonia Cheese Company, a family-run cheesemaker in North Wales. It's one of the brand's original flavored cheddars, dating back to close to the company's founding in 2001.
The green wax is part of a color-coded system Snowdonia uses across its whole range, though the company has never explained on the record why this particular cheese got that particular color.
In This Article
Farmers Who Started With Black Bomber
Snowdonia Cheese Company was established in 2001 in North Wales by brothers Richard and John Newton-Jones. The company's own 25th-anniversary materials describe them as fourth-generation dairy farmers, though a separate account describes them as sons of third-generation farmers, a minor discrepancy that couldn't be resolved from available sources.
The company's actual production site is in Rhyl, a coastal town in Denbighshire, outside Snowdonia National Park itself. The "Snowdonia" name is deliberately evocative branding tied to the region's landscape rather than a literal claim about the dairy's location.
One later product, Rock Star, genuinely is cave-aged inside the Llechwedd slate caverns within the national park, but that's a separate, more recent line.
What a Truckle Is, and Why Snowdonia Colors Its Wax
A truckle is a small, cylindrical wheel of cheese, traditionally taller than it is wide, with the term generally used for formats under a kilogram. The tall shape leaves a narrow cut face with a lot of cheese behind it, so a 200g truckle takes several sittings to work through without the exposed edge drying out.
The wax is a seal rather than a rind, and none of it is meant to be eaten. Peel it back from the cut face only and leave the rest in place, so the cheese you have not reached yet stays covered.
Snowdonia wraps its entire range in distinctively colored wax, a visual branding device meant to make each variety instantly recognizable on a shelf or cheeseboard, black for the flagship Black Bomber and green for Green Thunder among others.
No source, including the company's own 2024 rebrand materials, explains specifically why Green Thunder's wax is green rather than any other color. The most likely explanation, that it echoes the visible herb flecks inside the cheese, is a reasonable inference rather than a documented company statement.
Where Green Thunder Fits in Snowdonia's Lineup
Black Bomber, an extra-mature cheddar in black wax, was the cheese that started the company in 2001. Green Thunder followed soon after as one of the brand's first flavored cheddars, alongside Red Devil, a Red Leicester spiked with habanero chile.
The range has since grown to a dozen or so varieties, each in its own wax color:
- Black Bomber, extra-mature cheddar, the original flagship
- Red Devil, Red Leicester with habanero chile
- Red Storm, vintage Red Leicester
- Beechwood, smoked mature cheddar
- Amber Mist, mature cheddar with single malt whisky
- Rock Star, vintage cheddar cave-aged in the Llechwedd slate caverns
Two of those start from Red Leicester rather than cheddar, and most of the rest are cheddars flavored in different directions. A board built entirely from the range therefore gives you less variety than six wax colors promise, and Green Thunder is the garlic-and-herb member of the group.
Next to Black Bomber it reads as the milder of the two. Black Bomber is the extra-mature cheddar and brings the sharper bite, while Green Thunder puts roasted garlic and herbs over a mature cheddar base.
Green Thunder remains one of the foundational, longest-standing members of the lineup rather than a recent addition, though no source gives its exact launch year beyond "soon after" the company's 2001 founding.
The Recipe Behind Green Thunder
Snowdonia's own description calls it "a sensationally savoury mature Cheddar with roasted garlic and aromatic garden herbs." The official ingredient list runs cheddar cheese, whey powder, dehydrated garlic, salt, herbs, spice, dehydrated onion, sunflower oil, and herb extract.
One US importer names the herbs as oregano, basil, and parsley. That detail comes from a single source and isn't independently confirmed elsewhere.
Cheddar cheese heads that list, which tells you the order of the work. The cheddar exists first and the seasoning goes into it, which is why the garlic and herbs sit in the paste as separate flecks instead of tinting the whole block green.
Both the garlic and the onion go in dried, and the sunflower oil and herb extract carry flavor that dry pieces alone would not spread evenly. Nothing on that list puts water back into the curd, so the paste keeps the firm, slightly crumbly body of the cheddar underneath it.
Aging time isn't documented to a specific figure anywhere checked, including Snowdonia's own product pages. Secondary sources cite ranges anywhere from 6 to 12 months, but none trace to a primary source, so no specific aging window is stated here.
What Green Thunder Tastes Like
Cut into a truckle and the paste is pale creamy-yellow with dark green flecks scattered right through it, dense rather than open, and firm enough that a wedge breaks off the block instead of bending.
US importer Terry Selection offers the most detailed tasting note found: "a bold introduction of savory roasted garlic followed by the soft, fragrant embrace of garden herbs," with "a creamy yet slightly crumbly texture with finishing notes of tanginess characteristic of mature Cheddar." Snowdonia's own copy calls it simply "sensationally savoury."
How you cut it changes the balance. Shaved thin it reads as a herby cheddar, and in a thick chunk the roasted garlic leads, because the flecks are discrete pieces rather than an even wash of flavor through the paste.
That garlic runs straight over anything delicate sitting beside it. Put a fresh goat cheese or a young brie earlier in the tasting order and leave Green Thunder near the end.
Awards
Green Thunder has won its own dated awards separate from Black Bomber's broader brand reputation, including a Silver medal at the British Cheese Awards and a Gold medal at the Global Cheese Awards.
Sources disagree on the exact British Cheese Awards year. Two retailers cite 2022, while Snowdonia's own UK product page and one importer display a "British Cheese Silver 2024" badge, which may reflect two separate wins rather than a single error.
How to Serve Green Thunder
Almost all of the published advice sends this cheese into a hot dish rather than onto a board. Retailer copy across multiple sources describes it as "excellent melted onto homemade garlic bread," and US importer Terry Selection extends that further, recommending it in jacket potatoes, gourmet burgers, herb-infused quiches, and risottos.
Grate it rather than slice it for anything cooked. A cheddar this firm melts unevenly in thick slabs, and shreds carry the garlic and herb flecks across the whole surface instead of leaving hot pockets of seasoning in one corner.
Add it late. Long heat drives the herb aroma off, so stir it into a risotto with the pan already off the burner and give garlic bread its cheese only for the last couple of minutes under the grill.
On a jacket potato it does the seasoning and the melting at once, so skip the butter and the extra garlic you would otherwise reach for.
Cold on a board it needs company that can stand up to garlic. Cured meat, a sharp pickle, and plain crackers hold their own beside it, where fruit and honey mostly fight the savory flecks.
For drinks, dry sparkling wine or a light Pinot Noir are the common pairings. The bubbles cut through the fat of a mature cheddar, and a light red stays out of the way of the garlic instead of wrestling it.
What to Use Instead When Green Thunder Isn't Available
A block of plain Cheddar mixed with roasted garlic and fresh herbs at home approximates the flavor closely. Grate the cheddar first, fold the garlic through it, and leave the mix an hour before serving so the garlic has time to move into the fat.
For a ready-made alternative, a garlic-and-herb Gouda offers a similar savory, flecked profile in a different base cheese. Young Gouda melts more smoothly and tastes sweeter, so the swap trades the mature cheddar tang for a softer, milkier background.
Neither swap gives you the waxed truckle, which matters when the cheese was going on a board rather than into a pan.
Buying Green Thunder
Green Thunder is sold as a 200g truckle in the UK, with larger 2kg wheels available, and comes in smaller 5.3 to 7 oz formats through US retailers. The 2kg wheel only earns its price when you are feeding a crowd, because once it is cut you are working against the same drying face as everyone else.
The wax is the thing to check on the shelf. A cracked or lifted seal exposes the paste underneath, and that is the difference between a truckle that keeps for weeks unopened and one already hardening at the edge.
At roughly £5 to £6 for a 200g truckle, it prices as a specialty cheese rather than an everyday block. That is worth knowing before you plan a dish that melts half a pound of it.
In the US it reaches well past specialty shops, with Costco and H-E-B both carrying it, so the smaller import packs are usually the easiest ones to find.
Nutrition and Safety
Per 100g, two independently checked sources agree closely: 408 kcal, 33.6g fat (21.3g saturated), 3.6g carbohydrate, 22.7g protein, and 2.4g salt. At that salt level a 30g portion carries roughly 0.7g, which adds up fast when Green Thunder is one of four cheeses on the same board.
Green Thunder is made with pasteurized milk, which makes it a safer choice than raw-milk cheeses for pregnant women and others avoiding unpasteurized dairy. Beyond keeping it cold, it needs no special handling for that reason.
It's also suitable for vegetarians and, per the producer, for those with coeliac disease.
Storing Green Thunder
An intact truckle asks for very little, because the wax already does the job cheese paper would otherwise do on a cut block. The clock only starts once you break that seal.
An unopened, waxed truckle keeps for several weeks in the refrigerator. Once cut, wrap the cut face in cheese paper and use within two weeks.
The paper matters more than the two weeks does. Plastic film holds the garlic and onion smell against the paste until the cheese starts tasting of its own wrapper, where paper lets it breathe and keeps the flecks smelling like herbs.
If the cut face dries into a hard, darker edge, trim that edge off rather than serving it. The cheese behind it is fine.
