How to Cook Purple Sweet Potato Porridge Properly

To deepen the color of the purple sweet potato porridge, peel and cut the purple sweet potatoes into small pieces and soak them with rice in clean water for two hours; make sure to wash the rice beforehand.Or you can grind the purple sweet potatoes into a paste and add it while cooking.Question: Will this porridge not turn blue when cooked? Answer: Do not use iron or aluminum pots, using a clay pot is best. Or blend the purple yam into a paste and add it while cooking.

Follow-up: Will the porridge not turn blue when cooked this way?

Response: Do not use an iron pot, and better yet, avoid aluminum pots,a clay pot is best..