What raw materials are used to make your own milk tea?

Homemade milk tea is delicious, nutritious and safe. Boil water with yunnan black tea and add rock sugar. When the temperature drops to 70 degrees, add milk to taste. People with high blood lipids can use low-fat or skim milk. People with diabetes can add a little rock sugar or xylitol. People with a good stomach in hot weather can also drink cold milk tea with a temperature above 15.