How to make purple sweet potato filling

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  1.Peel and slice the purple potatoes and steam them in water

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  2.Pour into the food processor and add 100 grams of milk, then beat evenly

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  3.Put butter in a non-stick pan, heat until melted, then pour in purple sweet potato puree and stir-fry

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  4. When the purple sweet potato is almost stir-fried, pour in the condensed milk, taste the sweetness and then pour in the sugar,

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  5. Just stir-fry the purple sweet potato into balls without sticking to the spoon.

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  6.If you will not use it immediately after posing, put it in a fresh-keeping bag or a sealed lunch box and store it in the refrigerator.