1. Yam peeled and washed
2. Cut into sections first
3. Then cut into strips and soak in clear water poured in a little white vinegar to prevent the yam from oxidizing and turning black
4. Blueberry sauce is ready
5. Boil the water in the pot
6. Add the yam, boil the yam again and cook for 2 minutes
7. Rinse in cold water to cool
8. Lay out
9. Top with blueberry jam and serve
Tips:1. Soaking yam with vinegar can make the yam change its color;
2. Wear disposable gloves when peeling the yam, the mucus of the yam sticking to the skin will make the skin itchy.
