Step1:Remove the orange. Wash the surface with salt. Rinse and dry.
Step2:Cut a kumquat into four slices. Sprinkle white sugar on it and put it in the fridge for about a day.
Step3:Take out the kumquat, put in the rock sugar and water for boiling. Turn the wok over medium heat to low heat. Cook for half an hour.
Step4:Boil it into a transparent gel.
Cooking tips:There are skills in making delicious dishes.