Specific operation methods:

1, choose a large citron (citron is also known as fragrant foam, is the fruit of the fragrant foam tree, Rutaceae), with a brush to wash the skin, it is best to use salt in the rub over;

2, cut off the head and tail, the center of the cut a knife, peel the skin. Because the citron flesh is relatively soft, water, so try not to hurt the flesh when peeling;

3, peeled citron skin cut into long strips, easy to deal with later;

4, the skin on the white part of the removal;

5, the skin of the processed citron cut into julienne. Flesh peeled out, the basic citron flesh will be crushed as soon as the force, peeled with the juice is almost the same;

6, and then cut into cubes, and then soaked in water for 20-30 minutes, the middle of the scrub 2-3 times, to get rid of the bitter taste of citron skin;

7, the amount of water, boil and add rock sugar, add citron skin, add the citron flesh, and continue to cook on medium heat until most of the water evaporates, the soup is slightly viscous

8, will be cooked citron tea into a clean, dry, sealable container to cool.

"Citron [yuán]", also known as the citrus berry [jǔ] citron, is one of the oldest of the large family of citrus, but also to lemon, lemon's father. It looks like a low version of the lemon, the skin is uneven, the inner head of the flesh is very little, eat sour and bitter. Citron is relatively rare, but it has a variant that is a bit more common, bergamot. Bergamot is a variety of citron. Because of the mutation, the shape of some fruits from similar to close tight hands into the appearance of open fingers, they are also named bergamot.