Passion fruit lemon juice is needed to add icing sugar, because passion fruit and lemon itself are sour fruits, so you need to add icing sugar or honey, so the taste will be better.

Kumquat and passion fruit lemon juice with good ah, a lot of milk tea store outside to summer will sell this, these two together with the sweet and sour is very good to drink, but the best drink chilled, the flavor is better, depending on the preferences, you can add sugar molasses, you can add honey, it will be better to drink.