Step 1: Prepare dried rice noodles and put them aside.
Step 2: Prepare a container, put rice flour in water and soak it for 4 hours.
Step 3: Prepare a pot and add water to boil it.
Step 4: Pour the softened rice flour into the pot.
Step 5: Keep heating until the rice noodles are cooked, pull one up and pinch it with your nails. It is cooked if it can be easily broken.
Step 6: After cooked thoroughly, introduce it into the leak plug and wash it with cold water.