AeroPress Master Step-by-Step Guide
Absolute precision for the most forgiving manual brewer. Full immersion combined with mild pneumatic mechanical pressure.
Key Variables Summary
- Dose: 15 g coffee
- Water: 220 g
- Ratio: 1:14.6
- Temp: 88–92 ºC
- Grind: Medium (~700 µm)
- Brew Time: 2:05
Physics & Extraction Mechanics
The AeroPress is highly forgiving due to its mechanics: full immersion brewing (guaranteeing uniform solubility and constant temperature) combined with mild pneumatic mechanical pressure (0.5–0.7 bar generated by the rubber plunger). This minimizes the channeling risk present in pour-over methods.
Traditional vs Inverted Method
Traditional Method
Lower spill risk. Lighter body. Features a slight initial dripping through paper before pressure is applied.
Inverted Method
Zero pre-drip loss. Full steep control. Richer mouthfeel and sweetness. Requires safety flip protocol.
Recipe 1: Specialty Inverted Brew (Clarity & Sweetness)
For a clean, balanced, and sweet cup profile.
- 0:00: Pour 220 g of water at 90 ºC in 15 seconds. Stir 3 times with the paddle.
- 0:45: Wet paper filter in cap, screw cap firmly onto chamber.
- 1:30: Carefully and smoothly flip the AeroPress onto your server or cup.
- 1:35 - 2:05: Apply a gentle, steady 30-second press. Stop immediately upon hearing the first hiss of air (hiss).
Recipe 2: Championship Concentrated Espresso-Style Shot
Ideal base for milk drinks (flat white, latte) or iced drinks.
- Coffee: 18 g (fine grind)
- Water: 90 g at 85 ºC
- Technique: 20-second active stir. Press at 0:45.
Paper Filters vs Metal Disc Filters
- Paper: Traps fine silt and coffee oils/diterpenes (cafestol, kahweol), producing crystal clarity.
- Metal disc: Allows aromatic oils and micro-particles to pass, yielding heavy body and velvety texture.
Troubleshooting Matrix
| Symptom | Probable Cause | Solution |
|---|---|---|
| Plunger stuck / extreme resistance | Grind too fine or fine dust blinding paper pores | Grind coarser, lighter press |
| Thin, watery, sour brew | Under-extraction / water too cold | Increase steep time or brew temperature |
| Air/liquid leaking from plunger seal | Worn silicone seal or misaligned insertion | Check seal or rinse in hot water |
Equipment & More Info
Improve your technique by ensuring you use a good grinder and an accurate scale. If you are unsure which method to use, check our V60 vs AeroPress comparison or explore more about the AeroPress.