82Washed lot with Star Fruit, Kiwi, and Orange Blossom in the cup.
Cusco, PE · Washed
MediumStar FruitKiwiOrange Blossom+2
Bird Friendly
$2.34/oz
Roaster
Tandem Coffee Roasters
Portland, MEtandemcoffee.com ↗
Bird FriendlySmithsonianUSDA Organic
- Coffees in catalog
- 11
- Also available
- 2
- Avg Cherry's Index (limited data)
- 77.7
- Reddit sentiment
- 90/100
FreshnessBatch roasted weekly
OriginsCOPEETKEBI
How Cherry’s Index is calculatedavg coverage 33% · limited data
Coverage is below 50%. Most of this roaster’s lots are scored off roaster-level signals (Reddit + YouTube) without per-lot SCA grades, Coffee Review entries, or published buyer reviews. With limited signal, scores are also pulled toward a neutral 50 baseline by the Cherry’s Index methodology, so lots can read flatter than the actual cup quality differences between them. The avg Cherry’s Index reflects general reputation more than per-lot quality.
Roaster signals
Apply to every lot from this roaster.
- Reddit90/100weight 18%
- YouTube85/100weight 10%
Per-lot signals (averaged)
Vary across lots; averaged over 11 in-stock lots.
- SCA gradenot on file · weight 25%
- Coffee Reviewnot on file · weight 20%
- Buyer reviewsnot on file · weight 12%
- Cherrybook reader ratingsnot on file · weight 5%
- Transparency60.9/10011/11 lots · weight 5%
Bonuses earned (per lot)
- stale decay6/11
Base components are renormalized over whatever signals are available for each lot. SCA + Coffee Review are capped at 40% combined to keep the cupping story from dominating. Bonuses (accolades, awards, editorial coverage) and freshness decay are applied on top.
Community reputation · Reddit
Cult favorite· sentiment 90/100
Tandem Coffee Roasters is consistently held in high regard by the coffee community, frequently cited alongside other top-tier roasters like Onyx and Verve. Users praise their quality, often noting them as a "go-to" roaster for both espresso and pour-over enthusiasts. Their reputation is bolstered by their popular signature offerings, such as the 'Buttercream' blend and their unique iced coffee recipes.
consistently high qualityfrequently recommended roasterpopular signature blendswell-regarded for both espresso and pour-overoften grouped with industry leaders
Threads cited (10)
- r/Coffee · ↑ · Should I buy a 5lb bag of coffee?
- r/pourover · ↑ · Might have ordered too much coffee. . .
- r/Coffee · ↑ · Looking for a quality roaster that sells 2lb bags
- r/pourover · ↑ · Thoughts on Tandem Coffee Roasters in Portland, ME?
- r/Coffee · ↑ · Malt Iced Coffee Recipe
- r/Coffee · ↑ · Counter Culture coffee recommendations
- r/roasting · ↑ · Favorite online roasters? (from a roasters perspective)
- r/espresso · ↑ · Your favorite Coffee roasters
- r/pourover · ↑ · Portland Maine Roaster’s
- r/pourover · ↑ · Holiday blends…
On YouTube
2 videos · 39k combined views
Outside coverage highlights Tandem Coffee Roasters as a notable fixture within the Portland coffee scene. Reviewers emphasize the unique setting of their flagship shop, which is housed in a renovated gas station. The roaster is portrayed as humble and community-focused, prioritizing their specific craft while acknowledging the diverse coffee landscape of their city.
Renovated gas station locationHumble and understated brand identityActive contributor to Portland coffee cultureFocus on individual roasting style
From Tandem Coffee Roasters
Coverage from others
Flagship cafe
Café + Roastery
122 Anderson St, Portland, ME
Open in maps →The roaster identifies this as their 'Café + Roastery' and presents it prominently as the location where the 'whole show happens'.
The catalog
11 in stock · 9 archived
82
81Expect Papaya, Lime, and Panela from this washed.
Antioquia, CO · Washed
MediumPapayaLimePanela
Bird Friendly
$2.19/oz
80Mango, Dried Coconut, and Buckwheat Tea on a washed build.
Huila, CO · Washed
MediumMangoCoconutTea Like
Bird Friendly
$2.27/oz
80Maraschino Cherry, Blood Orange, and Rose on a washed build.
Cusco, PE · Washed
MediumCherryOrangeFloral+1
Bird Friendly
$1.64/oz
79Washed lot with Marshmallow, Graham Cracker, and Green Grape in the cup.
Huila, CO · Washed
MediumMarshmallowCerealGrape+2
Bird Friendly
$1.95/oz
79Limeade, Tangerine, and Lemongrass on a washed build.
Gedeb, ET · Washed
MediumLimeTangerineHerb+1
Bird Friendly
$1.95/oz
79Washed lot with Grapefruit, Melon, and White Tea in the cup.
Gedeb, Yirgacheffe, ET · Washed
MediumGrapefruitMelonWhite Tea
Bird Friendly
$2.03/oz
78Expect Red Apple, Cacao, and Sugar Cane from this washed.
Cauca, CO · Washed
MediumAppleCocoaSugar Cane
Bird Friendly
$1.87/oz
74Dark Chocolate, Burnt Honey, and Cherry on a washed build.
CO · Washed
Medium-DarkDark ChocolateHoneyCherry+1
Bird Friendly
$1.48/oz
72Cupping notes point toward Chocolate, Baking Spices, and Tea.
MediumChocolateBrown SpiceBlack Tea
Bird Friendly
$1.56/oz
72Crisp Acidity and Punchy Sweetness on a washed build.
Washed
MediumCitricOverall Sweet
Bird Friendly
$1.72/oz
Also available · subscriptions, sample packs, gear
Archived (9)
82Raspberry, Pink Grapefruit, and Nutmeg on a washed build.
Antioquia, CO · Washed
MediumRaspberryGrapefruitNutmeg+2
Bird Friendly
$1.72/oz
Out of stock
81Washed lot with Honeydew, Orange Zest, and Rooibos in the cup.
Antioquia, CO · Washed
MediumMelonTropical FruitOrange+1
Bird Friendly
$1.72/oz
Out of stock
81Washed lot with Strawberry, Plum, and Vanilla Wafer in the cup.
Huila, CO · Washed
MediumStrawberryPlumVanilla Wafer+2
Bird Friendly
$1.56/oz
Out of stock
81Tamarind, Mandarin Orange, and Butterscotch on a washed build.
Huila, CO · Washed
MediumTamarindOrangeButterscotch+1
Bird Friendly
$2.11/oz
Out of stock
81Expect Honeysuckle, Lemon Balm, and Lychee from this washed.
Cusco, PE · Washed
Medium-LightFloralHerbLychee+1
Bird Friendly
$2.81/oz
Out of stock
81Black Cherry, Anise, and Hibiscus on a washed build.
Kiambu, KE · Washed
MediumCherryBlackberryAnise+1
Bird Friendly
$1.95/oz
Out of stock
81Expect Nectarine, Chamomile, and Agave from this washed.
Cauca, CO · Washed
MediumPeachFloralHoney
Bird Friendly
$2.03/oz
Out of stock
81Expect Guava, Rooibos, and Honey from this washed.
Nariño, CO · Washed
MediumGuavaTea LikeHoney+2
Bird Friendly
$1.64/oz
Out of stock
79Baked Apple, Date, and Brown Sugar on a washed build.
Kayanza, BI · Washed
MediumAppleDateBrown Sugar
Bird Friendly
$2.03/oz
Out of stock
For roasters
Cherrybook runs a monthly Roaster Spotlight Series featuring one roaster with an editorial piece and a giveaway. Interested in being featured? See the format or email josh@cherrybookcoffee.com.