How to make sour beans at home (no need for sour water)

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  1. Wash the long beans and cut them into the length you like.Use tender beans.

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  2.No need to dry the water.Place in a jar.You can cut a mineral water bottle or a beverage bottle, but the edges must be cut flat.

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  3.Put a bowl over the mouth of the bottle and turn it upside down Come here, add water to the bowl and seal it.If the bottle mouth is uneven, air will leak during this step and affect the taste.

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  4. Place it in a sunny and warm place and change the water once a day.Mine turned yellow on the second day and already had a sour taste.If you like it sour, just keep it for two more days.

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  5. It’s the fifth day, and I can already smell it when I open it.The sour and sour taste of fermentation can be stir-fried directly in the pan, or it can be refrigerated in a plastic bag.