2. Soak the snow swallow in clear water for 8 to 10 hour;
3. After the snow swallow is completely soaked, it will become a long and crystal-clear filament like a bird's nest. After removing impurities, put it into a saucepan and add water. The ratio of snow swallow to water is about one to two, and the water outside the saucepan is less than half.
4. Bring boiling water to a large fire and turn it to a small fire for about 45 minutes. Stewed snow swallow is more transparent and soft;
5, stewed Xueyan is tasteless, you can add sugar 5 minutes before the pot, and add milk, honey, soy milk, yogurt, coconut juice and so on. Eat according to personal preference.