1, prepare 8 kg of dark plum, 50 kg of sugar, 50 g of citric acid, 0.5 kg of osmanthus fragrans/kloc-0, 30 g of saccharin, 250 g of sauce color, and 384 kg of finished concentrated sour plum juice 120 kg of ready-made sour plum soup.

2. Boil sour plum juice according to the ingredients. First, clean the ebony, boil it in a copper pot (or aluminum pot), and filter (the remaining ebony can be soaked in boiling water and filtered) to make concentrated ebony juice.

3. Make sugar sauce. Firstly, that sugar is dissolve to prepare sugar water with the require concentration, and then the sugar water is filtered to remove impurities, then boile, and other auxiliary materials are added and stirred evenly, and then the sugar water is used after being cooled.

4. Mix raw materials. Pour the cooled sugar paste into the concentrated sour plum juice to make sour plum sugar paste.

5. Add ice water, or add edible ice and sand filtered water to make sour plum soup.