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Flash Brew RecipeUpdated 5 months ago

Flash brew, a Japanese iced coffee features a unique brewing technique that combines hot water and ice to instantly cool down the coffee as it brews, resulting in a crisp, vibrant flavor profile. Experience the perfect harmony of flavors and learn how to create this invigorating beverage with our step-by-step recipe.


  • Servings: 1 person
  • Coffee: 20g
  • Grind: Medium
  • Ice: 100g
  • Water: 200g
  • Water Temp: 195-205°F
  • Ratio: 1:15
  • Brew Time: 3:00-4:00 min


  1. Pre-wet 1 Hario V60 filter and discard excess water
  2. Add 100g of ice to carafe, placing dripper on top
  3. Add 20g of coffee to pre-wet filter and begin timer
  4. Slowly pour 40g hot water in circular motions
  5. Let "bloom" for 40 seconds
  6. Slowly pour 80g water in small, circular motions (to 120g)
  7. At 1:15, pour 80g of water (to 200g)
  8. Let drain (target brewing time 2:30-3:00)
  9. Stir until remaining ice is melted and fully incorporated
  10. Serve over ice and enjoy!
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