How to brew a cup of instant coffee with the best flavor If you want to brew instant coffee with a good taste, you can't just brew it casually. You also need a certain brewing procedure: 1. Warm the cup first (in order not to reduce the taste of the coffee, you should soak the coffee cup in boiling water in advance). 2. Pour in instant coffee powder and add 50 ml of boiling water (use 85 degrees Celsius boiling water). The appropriate temperature of coffee is 83 degrees Celsius at the moment of brewing, and 80 degrees Celsius when poured into the cup... 10 grams of coffee powder for every 180 ml of water; No matter how much coffee you brew, it is best to adjust it in the same ratio. Of course, you can also adjust the ratio according to your own preferences. 3. Add another 50 ml of boiling water and stir with a coffee spoon