The secret to frying bananas that are puffy and hollow all day long and still crispy

Still crispy all day
Brothers and sisters do business according to this formula very effectively
And manipulation is equally important
Dear brothers and sisters, don't ignore the content
Let the fried bananas become puffy and crispy for a very long time
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Nguyen material:
Banana myrtle 1.3 kg
Filtered rice flour 300 grams
Wheat flour 50 grams
Crispy fried dough 50 grams
Yellow granulated sugar 50 grams
Salt 1/2 mcf
Turmeric powder 1/2 mcf (or cashew oil)
Sweet Yeast for Baking 5 grams
Vinegar 1/2 mc
Filtered water 500 mL
200 mL coconut milk (add slowly
Depending on the type of new or old powder)
Wishing you and your family a delicious meal