1. Ingredients: cassava and sweet potato 2. Cassava has 2 layers of skin, the outer layer is red skin and the inner layer is white skin. It must be cut thickly with a knife.

3. Egg sweet potatoes are sweeter and cooked to yellow color.

4. You can take out the core of cassava or not, but you have to spit it out when eating.

5. Cut the cassava and sweet potato into small pieces and cook them in a pot.

6. Cut the time according to the size, fifteen or twenty minutes. After boiling for ten minutes, put the rock sugar into the pot. When you see the cassava turns white, you can turn off the heat.

The tapioca syrup is ready.

Extended information: Cassava syrup is a delicacy. The main raw materials for making it are bread cassava and yellow sugar.