Onyx Advent Calendar Brew Guides

Onyx Advent Calendar Brew Guides

By Hailie Stevens x Onyx Coffee Lab

Explore all 24 coffees in the 2026 Onyx Advent Calendar

Click on the coffee to find Aiden, Series 1 and pour over brewing guidance.

Onyx Coffee Lab sourced, roasted, and timed each selection to ensure they shine at peak expression on their designated day.

•Aiden Brew Profiles: You can access all 24 custom Aiden Brew Profiles at the links below anytime! Just click to load onto your Aiden Precision Coffee Maker with the Fellow app. Starting 12/1, the brew profile for that day’s coffee will be featured in the Fellow Drops folder on your machine.
•Series 1 Brew Profiles: Each selection in the 2026 Onyx Advent Calendar is 56g of coffee (~2 oz.), so not much to dial-in with on espresso, but Series 1 profiles are a great starting point if you are up to the challenge! Access Onyx’s suggested Series 1 profiles below at any time. Just click to load onto your Espresso Series 1 with the Fellow app. Starting 12/1 the brew profiles, grouped by processing method, will be featured in the Fellow Drops folder on your machine.
Day 1: Colombia Aponte Village Honey+

Honeycrisp Apple, Butterscotch, Cherry, Vanilla

Nariño, Colombia · Honey process · Field Blend

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 27 - 8Ode + SSP6.1 - 7.1Opus 26.3 - 7.3Opus 15.3 - 6.3
Series 1
GrindOpus 20.8 - 1.3
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 4:20
GrindOde Gen 25 - 6Ode + SSP4.1 - 5.1Opus 24.5 - 5.5Opus 14 - 5
Day 2: Ethiopia Anderacha+

Peach, Chamomile, Apricot, Clove

Gera, Limu, Ethiopia · Washed process · Landrace

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 26.2 - 7.2Ode + SSP6 - 7Opus 26 - 7Opus 15.2 - 6.2
Series 1
GrindOpus 20.7 - 1.2
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:20
GrindOde Gen 24.2 - 5.2Ode + SSP4 - 5Opus 24.3 - 5.3Opus 13.3 - 4.3
Day 3: Kenya Kiamwangi AA+

Pomelo, Rose Hip, Cranberry, Chrysanthemum

Nyeri, Kenya · Washed process · SL28, SL34, Ruiru 11

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 26.2 - 7.2Ode + SSP6 - 7Opus 26 - 7Opus 15.2 - 6.2
Series 1
GrindOpus 20.7 - 1.2
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:30
GrindOde Gen 24.2 - 5.2Ode + SSP4 - 5Opus 24.3 - 5.3Opus 13.3 - 4.3
Day 4: India Ginimao+

Blood Orange, Caramel, Pineapple, Almond Pastry

Chikmagalur, India · Washed process · S795

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 27 - 8Ode + SSP6.1 - 7.1Opus 26.3 - 7.3Opus 15.3 - 6.3
Series 1
GrindOpus 20.7 - 1.2
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:10
GrindOde Gen 25 - 6Ode + SSP4.1 - 5.1Opus 24.5 - 5.5Opus 14 - 5
Day 5: Framily+

Grilled Peach, Earl Grey, Milk Chocolate, Berries

Gedeb, Ethiopia · Washed process · Landrace

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 26.2 - 7.2Ode + SSP6 - 7Opus 26 - 7Opus 15.2 - 6.2
Series 1
GrindOpus 20.7 - 1.2
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:50
GrindOde Gen 26 - 7Ode + SSP5.1 - 6.1Opus 25.3 - 6.3Opus 14.3 - 5.3
Day 6: Costa Rica Las Lajas Natural+

Pineapple, Hibiscus, Blueberry, Milk Chocolate

Central Valley, Costa Rica · Natural process · Catuai, Caturra

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 27.1 - 8.1Ode + SSP6.2 - 7.2Opus 26.5 - 7.5Opus 16 - 7
Series 1
GrindOpus 20.8 - 1.3
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 2:45
GrindOde Gen 25.1 - 6.1Ode + SSP4.2 - 5.2Opus 24.8 - 5.8Opus 14.1 - 5.1
Day 7: Ethiopia Bishan Wate+

Apricot, White Tea, Honeydew Melon

Guji, Ethiopia · Washed process · Ethiopian Heirloom

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 28 - 9Ode + SSP7.1 - 8.1Opus 27 - 8Opus 16.2 - 7.2
Series 1
GrindOpus 20.7 - 1.2
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:20
GrindOde Gen 26 - 7Ode + SSP5.1 - 6.1Opus 25.3 - 6.3Opus 14.3 - 5.3
Day 8: El Salvador Santa Rosa+

White Grape, Plum, Rose, Milk Chocolate

Chalatenango, El Salvador · Washed process · Pacamara

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 27.2 - 8.2Ode + SSP7 - 8Opus 26.8 - 7.8Opus 16.1 - 7.1
Series 1
GrindOpus 20.7 - 1.2
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:40
GrindOde Gen 25.2 - 6.2Ode + SSP5 - 6Opus 25 - 6Opus 14.2 - 5.2
Day 9: Ethiopia Yirgacheffe Biloya Anaerobic+

Raspberry, Floral Honey, Mandarin Orange, Sweet Tea

Yirgacheffe, Kochere, Ethiopia · Experimental process · JARC Varieties, Local Landraces

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 27.2 - 8.2Ode + SSP7 - 8Opus 26.8 - 7.8Opus 16.1 - 7.1
Series 1
GrindOpus 20.9 - 1.4
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 2:35
GrindOde Gen 25.1 - 6.1Ode + SSP4.2 - 5.2Opus 24.8 - 5.8Opus 14.1 - 5.1
Day 10: Honduras Claudio Perez+

Asian Pear, Pecan, Tangerine, Round

San Andrés, Lempira, Honduras · Washed process · Catuai

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 2[TBD]Ode + SSP[TBD]Opus 2[TBD]Opus 1[TBD]
Series 1
GrindOpus 20.7 - 1.2
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:20
GrindOde Gen 25.2 - 6.2Ode + SSP5 - 6Opus 25 - 6Opus 14.2 - 5.2
Day 11: Colombia Las Moras Natural+

Blackberry, Black Tea, Bubblegum, Mixed Berries

Huila, Colombia · Natural process · Caturra, Bourbon, Colombia

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 27.1 - 8.1Ode + SSP6.2 - 7.2Opus 26.5 - 7.5Opus 16 - 7
Series 1
GrindOpus 20.8 - 1.3
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 2:40
GrindOde Gen 25.1 - 6.1Ode + SSP4.2 - 5.2Opus 24.8 - 5.8Opus 14.1 - 5.1
Day 12: Mexico Mazateca Mujeres+

Orange, Fig, Milk Chocolate, Tonka Bean

Sierra Mazateca, Oaxaca, Mexico · Washed process · Bourbon, Typica

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 26.2 - 7.2Ode + SSP6 - 7Opus 26 - 7Opus 15.2 - 6.2
Series 1
GrindOpus 20.7 - 1.2
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:00
GrindOde Gen 25 - 6Ode + SSP4.1 - 5.1Opus 24.5 - 5.5Opus 14 - 5
Day 13: Krampus+

Brûléed Grapefruit, Chocolate Cake, Baking Spice, Viscous

Nyeri, Kenya · Washed process · SL28, SL34, Batian

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 27.1 - 8.1Ode + SSP6.2 - 7.2Opus 26.5 - 7.5Opus 16 - 7
Series 1
GrindOpus 20.7 - 1.2
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 2:40
GrindOde Gen 25.2 - 6.2Ode + SSP5 - 6Opus 25 - 6Opus 14.2 - 5.2
Day 14: El Salvador Santa Rosa Honey+

Red Grape, Rose, Mullberry, Vanilla

Chalatenango, El Salvador · Honey process · Pacamara

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 27.1 - 8.1Ode + SSP6.2 - 7.2Opus 26.5 - 7.5Opus 16 - 7
Series 1
GrindOpus 20.8 - 1.3
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:25
GrindOde Gen 25 - 6Ode + SSP4.1 - 5.1Opus 24.5 - 5.5Opus 14 - 5
Day 15: Colombia Gerson Zambrano Honey+

Confectionary, Grapefruit, Kiwi, White flower

Huila, Colombia · Honey process · Caturra

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 26.2 - 7.2Ode + SSP6 - 7Opus 26 - 7Opus 15.2 - 6.2
Series 1
GrindOpus 20.8 - 1.3
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:35
GrindOde Gen 25.1 - 6.1Ode + SSP4.2 - 5.2Opus 24.8 - 5.8Opus 14.1 - 5.1
Day 16: Panama Hacienda Barbara Catuai Natural+

Blackberry Compote, Dark Chocolate, Raisin, Spice

Boquete, Panama · Natural process · Catuai

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 26.2 - 7.2Ode + SSP6 - 7Opus 26 - 7Opus 15.2 - 6.2
Series 1
GrindOpus 20.8 - 1.3
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:40
GrindOde Gen 25 - 6Ode + SSP4.1 - 5.1Opus 24.5 - 5.5Opus 14 - 5
Day 17: Kenya Thunguri Natural+

Raspberry, Apricot, Rhubarb, Strawberry Candy

Mukurwe-ini, Nyeri County, Kenya · Natural process · SL28, SL34, Batian, Ruiru 11

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 26.2 - 7.2Ode + SSP6 - 7Opus 26 - 7Opus 15.2 - 6.2
Series 1
GrindOpus 20.8 - 1.3
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:20
GrindOde Gen 24.2 - 5.2Ode + SSP4 - 5Opus 24.3 - 5.3Opus 13.3 - 4.3
Day 18: Mexico Santa Cruz Tonga+

Plum, Tamarind, Sweet Pear, Star Anise

Chiapas, Mexico · Washed process · Bourbon, Marsellesa, Caturra

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 28.1 - 9.1Ode + SSP7.2 - 8.2Opus 27.3 - 8.3Opus 16.3 - 7.3
Series 1
GrindOpus 20.7 - 1.2
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:30
GrindOde Gen 26.1 - 7.1Ode + SSP5.2 - 6.2Opus 25.5 - 6.5Opus 15 - 6
Day 19: Colombia John Diaz Pink Bourbon+

Confectionary, Grapefruit, Dried Apple, Round

Huila, Colombia · Washed process · Pink Bourbon

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 26.2 - 7.2Ode + SSP6 - 7Opus 26 - 7Opus 15.2 - 6.2
Series 1
GrindOpus 20.7 - 1.2
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:25
GrindOde Gen 25 - 6Ode + SSP4.1 - 5.1Opus 24.5 - 5.5Opus 14 - 5
Day 20: Ethiopia Faysel Abdosh Keramo+

Pineapple, Oolong Tea, Raisin, Caramel

Sidama, Keramo, Ethiopia · Washed process · Landrace

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 28 - 9Ode + SSP7.1 - 8.1Opus 27 - 8Opus 16.2 - 7.2
Series 1
GrindOpus 20.7 - 1.2
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:50
GrindOde Gen 26 - 7Ode + SSP5.1 - 6.1Opus 25.3 - 6.3Opus 14.3 - 5.3
Day 21: Colombia Jairo Arcila Strawberry+

Strawberry, Red Fruits, Malt, Vibrant

Armenia, Quindío, Colombia · Experimental process · Castillo

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 27.1 - 8.1Ode + SSP6.2 - 7.2Opus 26.5 - 7.5Opus 16 - 7
Series 1
GrindOpus 20.9 - 1.4
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 2:50
GrindOde Gen 25.1 - 6.1Ode + SSP4.2 - 5.2Opus 24.8 - 5.8Opus 14.1 - 5.1
Day 22: Colombia Edward Sandoval Chiroso+

Grapefruit, Prune, Raw Sugar, Minerality

Tolima, Colombia · Washed process · Chiroso

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 27.1 - 8.1Ode + SSP6.2 - 7.2Opus 26.5 - 7.5Opus 16 - 7
Series 1
GrindOpus 20.9 - 1.4
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 4:00
GrindOde Gen 25.1 - 6.1Ode + SSP4.2 - 5.2Opus 24.8 - 5.8Opus 14.1 - 5.1
Day 23: Guatemala El Socorro Maracaturra+

Chamomile, Raw Sugar, Apple, White Flower

Palencia, Guatemala · Washed process · Maracaturra

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 28.2 - 9.2Ode + SSP8 - 9Opus 27.5 - 8.5Opus 17 - 8
Series 1
GrindOpus 20.7 - 1.2
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 3:40
GrindOde Gen 26.1 - 7.1Ode + SSP5.2 - 6.2Opus 25.5 - 6.5Opus 15 - 6
Day 24: Panama Chevas Gesha+

White Grape, Jasmine, Black Tea, Silky

Boquete, Panama · Washed process · Gesha

Brew guideGrind settings are a starting point. Adjust to taste.
Aiden
GrindOde Gen 27 - 8Ode + SSP6.1 - 7.1Opus 26.3 - 7.3Opus 15.3 - 6.3
Series 1
GrindOpus 20.8 - 1.3
Stagg X
RecipeDose: 18g · Water: 280g (1:15.6) · Temp: 204°F · Done by: 4:05
GrindOde Gen 25 - 6Ode + SSP4.1 - 5.1Opus 24.5 - 5.5Opus 14 - 5
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