filterkaffee
Read More → Drip Coffee Machine: What Actually Matters
ECBC certification, glass carafe, water quality: what makes a good drip coffee machine. Practical tips from coffee sommelier Norbert in Berlin-Lichtenberg.
Coffee Knowledge & FAQ
Welcome to our coffee blog! Here, I share my experience, recipes, and guides for brewing perfect coffee at home.
Latest Articles
View All Articles → espresso
Read More → How to Make Perfect Espresso: 5 Key Factors
Improve your espresso at home: grind size, water, dosing – coffee sommelier Norbert Ahnsorge from Berlin-Lichtenberg explains the 5 decisive factors.
filterkaffee
Read More → Pour-Over Guide: Filter Coffee by Hand
Pour-over step by step: dosing, water temperature, bloom, and brew time. Coffee sommelier Norbert Ahnsorge from Berlin-Lichtenberg explains the hand pour.
Frequently Asked Questions
View All FAQs →Does espresso or filter coffee have more caffeine?
Per serving, filter coffee has more (80–120 mg vs. 70–90 mg). Per milliliter, espresso has more (about 2.5 mg/ml vs. 0.5 mg/ml). The assumption 'espresso = more caffeine' is only true per ml, not per cup.
How do I make the perfect espresso?
Four variables: 18 g of coffee, yielding 36 g of espresso in 25–30 seconds at 92–94 °C. Tastes sour? Grind finer. Tastes bitter? Grind coarser. Always change only one variable at a time.
How do I train my coffee palate?
Drink consciously, taste comparatively, and attend cuppings. Drinking two coffees side-by-side trains your ability to differentiate fastest — the SCA Flavor Wheel provides the vocabulary for it.
How Does Climate Change Affect Coffee Growing?
Climate change is the greatest threat to coffee cultivation. Studies project that by 2050, roughly half of today's Arabica growing areas will no longer be viable.
How does the AeroPress work?
Coffee and hot water are mixed in a cylinder, extracted for 1–3 minutes, and then pressed through a paper filter by hand. A hybrid of French press and filter — clear, intense, and incredibly versatile.