Coffee basic knowledge detailed coffee foam technology
The principle of milk foam is very simple, but it is the product of a close combination of milk and air. The way to make milk foam is to pump air into the foam. The practice of milk foam is divided into hot and cold. Hot milk foam uses the steam nozzle of a coffee machine to pump steam into the milk. On the one hand, it heats up, and on the other hand, it produces milk foam. Cold milk foam is made by hand with a milk bubble machine.
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Coffee basic knowledge detailed coffee roasting
Coffee goes from green to mature in a dramatic way, roasting like popcorn with a rich aroma and pleasant bounce. From raw beans, light, medium roast to deep roast, water release again and again, weight loss, volume slowly expand bulge, coffee beans color deepened, fragrant oil gradually released, texture also becomes crisp.
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Basic knowledge of Coffee how to choose good Coffee beans
How to judge the quality of beans from their appearance? From its color-whether glossy, uniform color without spots; smell its fragrance-whether fragrance is rich; oral brittleness-- put into the mouth to bite, whether crisp sound, good taste, and finally to see if the bean shape is full and has weight. Because you can't make mellow coffee without good coffee beans / powder. Secondly, we should pay attention to coffee beans.
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