White sugar 1.8kg (pay attention to the unit), milk powder 5kg, then boil water (must be boiling water, otherwise the milk powder cannot be stirred) 19.2kg, then stir with a stir stick until the milk powder and sugar are melted, and then put 9kg overnight Black tea soup (if it is not overnight, you need to put 10kg. The tea soup cooking method will be explained below) and then stir well and it will be ok. You can put it in an insulated milk tea bucket for later use

Buy that kind of black tea (it seems quite expensive) 1680 One bag is 70kg) and then use cloth bags (can be used repeatedly, just wash and dry after each use) to put four bags of tea. Each bag contains 187g, then tie it up and use a large bucket to collect 38kg of boiling water. Then put the tea bags in and soak for 30 minutes, then cook on high heat for 30 minutes, then turn to medium heat for 10 minutes, then turn to low heat for 20 minutes, and finally turn off the heat and simmer for 30 minutes. This is the tea soup of the day. Generally, the tea soup of the previous night has a stronger tea flavor, so in our store, we use it every other night

After adding it, stir it to avoid too much ice and then put it in an insulated milk tea bucket (the milk tea bucket has a stopper that can catch the ice, so if a customer wants to add ice to the iced milk tea, you can put a few pieces in it. Just fine)