Discover the distinctive smoothness and clean finish that the Chemex pour-over method offers, making it a favorite among coffee enthusiasts. Perfecting your Chemex pour-over technique requires attention to water temperature and grind size. This guide will walk you through the process, equipment needed, and expert tips to help you achieve the best cup of coffee.
Overview & Background
Invented in 1941 by Peter Schlumbohm, the Chemex is renowned for its simple yet effective design that emphasizes clarity and control in brewing. The Chemex funnel is made from high-quality, food-grade borosilicate glass, which is heat-resistant and easy to clean. The brewer's design promotes a gentle flow of water through the coffee grounds, resulting in a clean, balanced cup of coffee. Whether you're a beginner or an experienced barista, the Chemex pour-over method provides a straightforward approach to brewing.
Key Brewing Parameters / Specs
- Grind Size: Medium-coarse
- Water Temperature: 90°C - 96°C (194°F - 205°F)
- Brew Time: 4-5 minutes
- Water-to-Coffee Ratio: 1:15 (50g of water per 3.5g of coffee)
Step-by-Step Guide
- Preheat the Chemex: Rinse the Chemex with hot water to preheat the brewer. This will help maintain the ideal temperature for brewing and prevent any bitterness from the glass.
- Weigh Your Coffee: Measure out your coffee using a kitchen scale. A standard ratio is 3.5g of coffee per 50g of water.
- Grind Your Coffee: Grind your coffee to a medium-coarse consistency. The grind size should be similar to sea salt.
- Add Coffee: Pour the ground coffee into the Chemex filter.
- Wet the Coffee: Pour a small amount of hot water over the coffee to saturate it and release any CO2. Let it sit for 30 seconds.
- Brew: Begin pouring hot water evenly over the coffee in a spiral pattern, starting from the outer edge and moving towards the center. Fill the brewer in four stages, with a 15-second rest between each pour. This ensures even extraction and prevents over-extraction.
- Wait: Allow the coffee to brew for 4-5 minutes.
- Pour Off: Once the brewing is complete, carefully pour the coffee into your mug. The Chemex will continue to filter the coffee for an additional 1-2 minutes.
Pro Tips & Common Mistakes
- Consistent Water Temperature: Maintain a consistent water temperature throughout the brewing process. Fluctuations in temperature can affect the extraction and flavor of your coffee.
- Proper Grind Size: Using a medium-coarse grind size is crucial. Too fine a grind can lead to over-extraction, while too coarse a grind can result in under-extraction.
- Even Pouring: Ensure that water is poured evenly across the coffee grounds to promote even extraction. Avoid wetting any one area more than another.
- Avoid Over-Filling: Don't overfill the Chemex, as this can cause the coffee to become bitter and unbalanced.
Gear worth owning
Recommended gear for this recipe.
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