The origin and taste of coffee beans what kind of beans do you have in sour pie?

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Generally speaking, sour coffee beans, especially high-quality new beans, are best roasted shallower, while bitter ones are shallower in baking, and sweet details are mostly selected beans produced in the highland. Baking often constitutes the key to whether it can be tasted after it can be integrated into the soft bitterness. Neutral flavor, even if not highland coffee beans, but also need to have a stable quality of stable treatment.