2. Pour in instant coffee powder and add 50 ml of boiled water (using boiled water at 85 degrees Celsius).
The suitable temperature of coffee is 83 degrees Celsius when brewing and 80 degrees Celsius when pouring into a cup. Every180ml of water corresponds to10g of coffee powder;
No matter how much coffee you make, you'd better make it in the same proportion. Of course, you can also adjust the proportion according to your own preferences.
3. Add 50 ml of boiling water and stir with a coffee spoon; 86 degrees is the most fragrant and 60 degrees is the best. When brewing, the water temperature can be slightly higher, but boiling water is definitely not.