Cooper's Cask Lion's Mane & Chaga Dark Roast Coffee Bean Review

people who want mushroom coffee from a roaster that has it tested

Cooper's Cask Lion's Mane & Chaga Dark Roast is a 12 oz bag of organic dark roast ground coffee blended with lion's mane and chaga mushroom, at $19.95 or about $58.64 a kilo.

Spec-led review. Built from the manufacturer’s published specification and price rather than hands-on testing. Figures we could not find stated are left blank instead of estimated. Updated when we get one in.

Where you can buy itUS confirmed

Ships within the US. International orders are arranged individually by contacting the roaster, and any customs fees are the buyer's.

Our rating
2.6/ 10
Below average
4 of 6 scored, out of 35.7 points · 64.3 not judgeable from specs

How we rate coffee beans — what each criterion measures, and what we cannot.

Taste & Flavour Quality
28 pts · not scored from specs

Cooper's put nutmeg and chocolate on the bag, and the dark roast carries both. The mushroom shows as body rather than as a flavour of its own.

why there is no number here

what this measures, and what we cannot

needs a judgement that no published spec stands in for. Its 28 points are taken out of the total rather than scored as a zero, so the overall rating is out of what we could check. This neither helps nor hurts the product.

Freshness & Roast Date Transparency (roast date printed only)0.0 / 10
worth 8 of 35.7 · 12 unpublished · well evidenced

Sold ground in a single 12 oz bag, so it starts giving up ground the day it is opened. A subscription keeps bags turning over, which is the lever a buyer actually holds here.

how we got 0.0

what this measures, and what we cannot

What it was scored onScored from the specs the maker publishes. 100% published.
Roast date printedNo0.0 / 4.0
Not best-before onlynot applicable
Ships after roastnot applicable
One-way valvenot applicable

The rows that apply here are worth 4.0 between them and this one took 0.0, which is 0.0 out of 10. That 0–10 result is what the criterion's 8 of 35.7 points are then scaled by.

Sourcing Transparency & Ethics (altitude and varietals not published)3.6 / 10
worth 11.2 of 35.7 · 4.8 unpublished · partly evidenced

Cooper's name the certification and the extract type, full fruiting body rather than grain-grown mycelium, but traceability stops short of a farm. The third-party contaminant test is the stronger claim here.

how we got 3.6

what this measures, and what we cannot

What it was scored onScored from the specs the maker publishes. 79% published.
Origin typeBlend1.0 / 1.5
Origin namednot in our data0.75 / 1.5
Altitude publishednot applicable
Varietals publishednot applicable
CertificationsOrganic0.75 / 1.5
Direct tradeNo0.0 / 1.5
Farm or co-op namedNo0.0 / 1.0

The rows that apply here are worth 7.0 between them and this one took 2.5, which is 3.6 out of 10. That 0–10 result is what the criterion's 11.2 of 35.7 points are then scaled by.

The 1.5 points we could not find a figure for are scored at the middle of the scale rather than as a zero, which awards 0.75 of them: the greyed figures above. We will not guess a specification and we will not mark the product down for our own missing research.

Value Per Kilo2.3 / 10
worth 14 of 35.7 · well evidenced

About $58.64 a kilo, a clear premium over Cooper's own single origins near $33 and still under most functional coffee sold by the sachet.

how we got 2.3
Roast Consistency
12 pts · not scored from specs

A blend built to taste the same in March and September rather than to express one harvest, which is what a coffee somebody drinks every morning for an effect needs to be.

why there is no number here

what this measures, and what we cannot

needs a judgement that no published spec stands in for. Its 12 points are taken out of the total rather than scored as a zero, so the overall rating is out of what we could check. This neither helps nor hurts the product.

Packaging & Freshness Retention (bag size only)8.0 / 10
worth 2.5 of 35.7 · 7.5 unpublished · well evidenced

A 12 oz bag with no stated valve and one grind. Ground coffee in a bag that has to be opened daily is the weakest part of the format.

how we got 8.0

what this measures, and what we cannot

What it was scored onScored from the specs the maker publishes. 100% published.
Packagingnot applicable
One-way valvenot applicable
Bag size['340 g (12 oz)']2.0 / 2.5

The rows that apply here are worth 2.5 between them and this one took 2.0, which is 8.0 out of 10. That 0–10 result is what the criterion's 2.5 of 35.7 points are then scaled by.

How Cooper's Cask Lion's Mane & Chaga Dark Roast tastes

The roaster’s own notes, in the order they list them. Roasters lead with what they want tasted first, so the bars follow that order rather than any score of ours.

  • Nutmeg
  • Chocolate
The verdict

About $58.64 a kilo, which is a premium over Cooper's own plain coffee and roughly a third under Ryze. Cooper's own single origins start around $33 a kilo in the largest bag, so the mushroom blend carries a meaningful premium for the extract and the testing.

Pros

  • Third-party tested for mycotoxins, mould, pesticides and heavy metals, which is a checkable claim in a category built on unchecked ones.
  • Full fruiting body extract rather than grain-grown mycelium, and the roaster says so on the listing.
  • USDA organic dark roast underneath, from a roaster whose main business is specialty single origins.
  • Cheaper per serving than instant functional coffee while still being brewed coffee.

Cons

  • Ground only, so a grinder owner gives up the freshness advantage of whole bean.
  • One bag size and one grind, with no way to buy in bulk or dial the grind for espresso.
  • Carries a clear premium over Cooper's own plain coffee, which starts near $33 a kilo.
  • Only two mushrooms, where the same roaster's other blend uses fourteen.
From $19.95

What is Cooper's Cask Lion's Mane & Chaga Dark Roast?

An organic dark roast blended with two mushroom extracts, sold ground only in a single 12 oz bag at $19.95.

The coffee underneath is a grade 1 dark roast from Cooper's Cask, the Rhode Island roaster whose main business is single origins and barrel aged coffee. Lion's mane and chaga go in as full fruiting body extract rather than mycelium grown on grain, which is the distinction that matters here and one Cooper's state directly. The bag carries its own sub-brand, Go Mental, which the website never mentions.

It comes in one size and one grind. There is no whole bean option and there cannot be, because the extract is a powder blended through ground coffee, so the bag is set up for drip, French press and pour over and nothing else.

Cooper's Cask Lion's Mane & Chaga Dark Roast Taste: What It Actually Tastes Like

A dark roast the roaster marks for nutmeg and chocolate, sold under its Go Mental line, with a testing claim most of this shelf does not make.

The bag names nutmeg and chocolate, and the dark roast carries them: warm spice over a cocoa base, with the mushroom adding weight rather than a taste of its own. Anyone expecting to notice lion's mane or chaga in the cup will not, which is the point of blending extract into a roast this dark.

The claim worth weighing is the testing. Every bag is third-party tested for mycotoxins, mould, pesticides and heavy metals, and the roaster puts that on the listing. Mushroom coffee is a category where a great deal is asserted and very little is checked, so a roaster committing to an independent test is doing something a buyer can hold them to.

How fresh is it when it arrives?

Ground only and sold in a single 12 oz bag, so the practical freshness lever is how quickly you get through it.

Ground coffee stales in days rather than weeks once opened, and whole bean is not an option here, so this is a bag to buy when you will drink it rather than to stock up on. A subscription is available and keeps bags moving on a schedule, which suits a functional coffee somebody drinks daily.

The bag prints the roast level, the weight and the mushroom content. Storage does the rest: an airtight container away from heat and light buys back more than any accessory.

Where the coffee comes from

Cooper's commit to organic certification, a grade 1 base and full fruiting body extract, and back it with an independent contaminant test.

What the roaster puts its name to here is the certification and the form of the mushroom. USDA organic covers both the coffee and the extract, and the extract is full fruiting body rather than mycelium grown on grain, which is the distinction that separates the serious end of this category from the rest of it.

Traceability reaches a grade 1 dark roast rather than a named farm, which is the same level Cooper's offer on their plain coffees at this price. The third-party test for mycotoxins, mould, pesticides and heavy metals is the stronger commitment, because it is the one an independent lab signs rather than the roaster.

Cooper's Cask Lion's Mane & Chaga Dark Roast vs Black Rifle Bourbon Roast

Against Ryze, this is real ground coffee with tested mushrooms; Ryze is an instant powder with more of them.

The formats are the honest difference. Ryze is a soluble blend you stir into water, which is quicker and travels, and it carries a wider mushroom list. This is ground coffee you brew, which tastes like coffee because it is coffee, and it needs a filter and a kettle.

On what is checked, Cooper's are the ones making the testing claim. Somebody buying mushroom coffee for the mushrooms should weigh a stated third-party test against a longer ingredient list, because in this category the list is easy to print and the test is not.

If the mushrooms matter more than the coffee, Ryze covers more ground. If the coffee matters and the mushrooms are a bonus, this is the better cup.

Cooper's Cask Lion's Mane & Chaga Dark Roast price per kilo: how it compares

About $58.64 a kilo, which is a premium over Cooper's own plain coffee and roughly a third under Ryze.

Cooper's own single origins start around $33 a kilo in the largest bag, so the mushroom blend carries a meaningful premium for the extract and the testing. Against the other mushroom coffee on this site the comparison runs the other way: Ryze works out considerably dearer per serving, and it is an instant powder rather than ground coffee.

At 15 g a cup the bag makes about twenty-two cups, which comes to roughly $0.88 each. That is more than a plain bag of Cooper's costs and less than most functional coffee sold by the sachet.

Who should buy it (and who should not)

Right for a daily coffee drinker who wants the functional angle without giving up brewed coffee; wrong for anyone who wants a big mushroom dose or whole bean.

Buy it if you already brew drip or French press, want lion's mane and chaga in the cup without a separate powder to remember, and care that somebody has tested the batch. The dark roast carries the mushroom well and nothing about the routine changes.

Skip it if you grind your own, since ground is the only option; if you want the widest mushroom formula, where the fourteen-mushroom blend from the same roaster or Ryze both go further; or if you drink light roasts, because this is firmly at the dark end and always will be.

Frequently Asked Questions

Does Cooper's Cask mushroom coffee taste like mushrooms?

Not really. The bag names nutmeg and chocolate, and that is what a dark roast at this level tastes of. Lion's mane and chaga add body rather than a mushroom flavour, so most people describe it as ordinary dark roast coffee with a bit more weight to it than usual.

Is Cooper's Cask mushroom coffee third-party tested?

Yes. Cooper's state on every mushroom listing that the coffee is third-party tested for mycotoxins, mould, pesticides and heavy metals. That is worth weighing, because mushroom coffee is a category where a great deal is claimed about purity and comparatively little is independently checked.

Can you get Cooper's Cask mushroom coffee as whole bean?

No, and it is a constraint of the product rather than a choice. The mushroom extract is a powder blended through ground coffee, so it only exists ground, in one grind suited to drip, French press and pour over. Cooper's regular single origins do come whole bean and in five grinds.

What is the difference between lion's mane and chaga in coffee?

They are two different fungi with different reputations. Lion's mane is the one usually associated with focus and cognition, chaga with immune support. Cooper's blend both into the same bag using full fruiting bodies. Their fourteen-mushroom blend adds cordyceps, maitake, reishi and others for a broader formula.

How much does Cooper's Cask mushroom coffee cost per cup?

The 12 oz bag is $19.95, which works out at roughly $58.64 a kilo. At 15 grams of coffee a cup that is about twenty-two cups from a bag, or roughly $0.88 each. Cooper's plain single origins start nearer $33 a kilo, so the mushroom blend carries a real premium.

Is mushroom coffee lower in caffeine?

This one is not decaffeinated, so it carries the caffeine of the dark roast coffee it is made from. Cooper's do sell a decaf mushroom version, a Swiss Water processed red reishi and chaga blend, if lower caffeine is the reason you are looking at mushroom coffee in the first place.

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