What is the secret of the combination of espresso beans and brewing methods? the good Espresso standard is

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What is the secret of coffee beans and brewing methods?

What needs to be considered in the way of cooking is the complementarity of "baking depth of beans" and "collocation of water temperature", "thickness of grinding" and "cooking time", so most enthusiasts choose the depth of bean baking in their favorite cooking way. to put it simply, shallow culture is suitable for higher water temperature to balance sour taste, while deep culture requires lower water temperature to suppress bitterness. If soak for a long time, such as "French pressure", take a thicker grinding, the focus is to understand the principle of cooking to think.

American coffee is a kind of Italian coffee, usually choose medium to deep roasted coffee beans, through the pressure of the Italian coffee machine to let the hot water through the ground coffee powder, extract Espresso. Normally, a cup of American coffee is made from one or two servings of Espresso and diluted with hot water. American coffee is based on Espresso,Espresso "espresso", which originated in Italy and is mostly extracted from espresso by an Italian coffee machine.

After being made into American style, there is an obvious improvement in sweetness, and the flavor will be more balanced, but the taste is thin, the flavor is monotonous and the level is insufficient.