Tartronic acid

Buy taro, wash it clean, peel off the outer green skin, then directly take it to dry in the sun. After it is dried, cut it into short pieces with scissors. If the weather is good, usually it takes 3 to 4 days to dry.

Buy chili, garlic, and ginger, wash them clean and sun-dry them

Crush the chili, garlic, and ginger together

Crushed chili, minced garlic, and ginger are mixed together with salt, sugar, and vinegar to season. After the flavor is adjusted, add taro and mix together. Then put it in the refrigerator, and it can be eaten after 10 days, but this depends on the amount you make. If the quantity is large, it is best to stir it every day for a more even flavor.