Sierra Yeo's World Brewers Cup Recipe: The Goldilocks Brew

Sierra Yeo just placed 9th at the World Brewers Cup Championship in Brussels — and she's breaking down the exact recipe she used on stage. This is the "Goldilocks" recipe: a pour-over method built around maximizing sweetness and acidity extraction while taming bitterness, using a pre-dried natural Geisha from Mount Totumas, Panama. Sierra walks through the full brew, the theory behind it, and the specific equipment she used in competition. 🔥 In this video: 🔥 The Goldilocks recipe: 14g coffee to 210ml water (1:15 ratio) 🔥 The theory behind the "Goldilocks Zone" — timing sweetness, acidity and bitterness extraction 🔥 Full pour structure: bloom, two-stage pouring, dual-kettle temperature strategy 🔥 Equipment breakdown: the OREA Baby O dripper and the Dragonfly server 🔥 Serving technique and ideal drinking temperature for competition-level cupping 🔗 Links: 📸 Follow Sierra:   / sierrasriracha   ☕ Brewing Equipment: https://roastrebels.com/en/coffee-pre... 🌐 Shop: https://roastrebels.com/en ⏱️ Chapters: 0:00 – Intro & recipe overview 0:20 – The coffee: pre-dried natural Geisha 0:35 – The Goldilocks recipe ratio (14g:210ml) 1:16 – Bloom & the Goldilocks Zone theory 1:52 – Pour structure explained 2:35 – Final pour 2:49 – Equipment: Baby O dripper (OREA) 3:14 – Equipment: Dragonfly server 3:46 – Finished brew & tasting 4:00 – Cups & serving technique 📌 Key Takeaways: Recipe: 14g coffee : 210ml water (1:15 ratio), 50g bloom Coffee: pre-dried natural Geisha, Mount Totumas, Panama Competition water temps: 93°C for the first two pours, 84°C for the final pour Dripper: OREA Baby O (flatbed, cyclone booster, ridge-free for even extraction) Server: Dragonfly server (splash-free pour, lid traps aromas) Ideal drinking temperature for judging: 50–55°C Result: 9th place, World Brewers Cup Championship, Brussels ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ☕ ABOUT ROAST REBELS Roast Rebels is Europe's go-to platform for specialty coffee roasting. We sell small-scale roasting machines alongside a curated selection of high-quality green coffees sourced from around the world, and support home roasters and professionals with tips, roasting profiles, and tutorials. Our service centers in Germany and Switzerland ensure you get local support wherever you are in Europe, with free shipping across the EU. This video features Sierra, Roast Rebels' content manager and green coffee buyer — and reigning 2026 Swiss Brewers Cup Champion. 🌐 Shop: https://roastrebels.com/en #SpecialtyCoffee #CoffeeRoasting #WorldBrewersCup #Geisha #PourOver