Processing & Roasting
Honey and Pulped Natural Processing
Honey processing sits between washed and natural methods, removing the skin but leaving varying amounts of mucilage on the bean during drying. The result spans a sweetness spectrum from clean and bright (white honey) to rich and fruity (black honey), offering producers remarkable control over flavor development.
Understanding Honey Processing
Honey processing — also known as pulped natural in Brazil — is a hybrid method that borrows from both washed and natural techniques. The cherry skin is mechanically removed (as in washed), but some or all of the mucilage (the sticky, sugar-rich layer) is left on the parchment during drying (as in natural). The name has nothing to do with actual honey; it refers to the sticky, golden appearance of mucilage-coated beans on the drying beds.
The Honey Spectrum
The amount of mucilage retained determines the "color" designation and profoundly affects flavor:
| Honey Type | Mucilage Retained | Drying Time | Flavor Character |
|---|---|---|---|
| White honey | ~10–20% | 7–10 days | Clean, bright acidity, delicate sweetness |
| Yellow honey | ~25–50% | 10–15 days | Mild sweetness, balanced acidity, light body |
| Red honey | ~50–80% | 15–20 days | Pronounced sweetness, stone fruit, medium body |
| Black honey | ~80–100% | 20–30 days | Intense fruitiness, heavy body, complex fermentation |
How It Works
1. Selective Picking and Depulping
As with washed processing, only ripe cherries are selected. A depulper removes the outer skin. The key difference is the machine setting: producers adjust the depulper to leave a controlled amount of mucilage on the parchment.
2. Controlled Drying
Mucilage-coated beans are spread on raised beds in thin, even layers. The higher the mucilage percentage, the more critical the drying management becomes:
- White/Yellow honey — can tolerate slightly thicker layers and less frequent turning
- Red/Black honey — require very thin layers (2–3 cm), turning every 30 minutes during peak hours, and sometimes shade structures to slow drying
The goal is to dry the mucilage slowly enough for sugars and acids to migrate into the bean without triggering uncontrolled fermentation. Target moisture is 10–12%, the same as all processing methods.
3. Resting and Hulling
Dried parchment coffee rests in warehouses for 30–60 days (reposo) to stabilize moisture, then is hulled to remove the parchment layer.
Flavor Profile
Honey processing produces a distinctive sweetness that sits between the clean clarity of washed coffees and the fruit-forward intensity of naturals:
- Sweetness is the defining characteristic — caramel, brown sugar, and honey notes
- Body ranges from medium (white honey) to full (black honey)
- Acidity is present but rounded, with stone fruit and citric tones
- Complexity increases with mucilage retention, adding tropical and winey notes in red and black honeys
Origins and Pioneers
Costa Rica is widely credited with popularizing and systematizing honey processing. Farms like Finca Sumava de Lourdes and the pioneering work of producers in the Central Valley during the 2000s established the white/yellow/red/black classification.
El Salvador and Guatemala have embraced honey processing for specialty lots, leveraging the method's ability to add sweetness to high-altitude Bourbon and Pacamara varieties.
Brazil uses the term "pulped natural" (cereja descascada) for what is essentially yellow honey processing, applied at massive scale to produce the country's characteristic nutty, chocolatey, sweet-bodied coffees.
Advantages
- Uses 50–80% less water than fully washed processing
- Produces sweeter, more complex cups than standard washed
- Offers producers a controllable flavor spectrum through mucilage adjustment
- Dries faster than full naturals, reducing mold and defect risk
Challenges
- Requires meticulous drying attention — mucilage is a fermentation medium
- Climate-dependent: humid regions struggle with mold during slow drying
- More labor-intensive than washed processing during the drying phase
- Classification inconsistency: "red honey" from one farm may differ from another's
Tasting the Difference
When cupping honeys side by side, the progression is remarkably clear. White honey tastes closest to washed — crisp, clean, with gentle sweetness. Yellow adds a caramel layer. Red brings stone fruit and juicy body. Black honey approaches natural territory — deep, fruity, almost jammy — but retains more structural clarity than a full natural. This spectrum makes honey processing one of the most exciting frontiers in specialty coffee today.