Basic knowledge about coffee brewing

1. Boil in fresh water (must be filtered) and boil completely.

When the coffee powder is soaked in boiling water, the temperature of the boiling water will drop to about 90 degrees, and then filtered into the coffee pot will become about 85 degrees. After adding sugar and milk, the drinking temperature is about 60 degrees, that is, the appropriate temperature at which the coffee tastes the most delicious. In order to keep the coffee at this proper temperature, it is best to heat the coffee pot and cup in advance to keep warm.

two。 It will be ready in about three minutes.

American coffee pot soaking for too long or too short will affect the taste of coffee. If the time of the bubble is short, the taste will not come, but if the time of the bubble is too long, the taste will be astringent and the powder will be heavy. Do not soak too much at once and then warm it up. Keep it warm for about 20 minutes with a thermostat after soaking, and keep it delicious.

3. The appropriate amount of coffee powder for a single cup of coffee is 15 grams per person. When there is too much coffee powder, the taste is sour and bitter and loses its sweetness. If there is too much water, it will be insipid. 15 grams of coffee for one person, 120cc for one person of boiled water, and 50 grams of 360cc for three.

◎ should have good water before making coffee.

After boiling, fresh water will contain the right amount of carbon dioxide can increase the aroma of coffee, but keep boiling water will reduce the evaporation of carbon dioxide, so the best water temperature is 92 ℃, the water temperature is too low will make the coffee taste can not be completely released, the water temperature is too high will make the coffee ingredients deteriorate, too much or less is not good.

Heat preservation and preservation of ◎ coffee

To maintain the temperature of the coffee, you can first heat the cup and plate of the coffee. The leftover coffee can soak the coffee pot in hot water and cook it in boiling water to ensure that the coffee is at its best. If the coffee pot is heated directly on the gas stove, be careful not to boil. Once the coffee is boiled, some ingredients will change chemically, the sour taste will become stronger and the original flavor will be damaged.