1. Kumquat first rub the epidermis with fine salt and soak in light salt water for 5 minutes.
2. After washing the kumquats, put them in a basket and dry them.
3. Add 300 grams of water to the pot, add the yellow rock sugar, boil, turn to low heat, and cook until the rock sugar melts.
4. After the rock sugar has melted, pour the kumquat, bring to a boil again on high heat, and turn to low heat.
5. Cook until the kumquat becomes soft, the color is translucent, and the soup thickens, turn off the heat.
