1. Steam for about 15 minutes.

2. How to make Sophora japonica cake: Wash the Sophora japonica flowers and drain them. Put yeast and white sugar in a small pot. Adjust the amount of sugar according to your own taste. If you like sweetness, you can add more. Add some warm water, shake the small basin or stir with chopsticks to dissolve the yeast. Add flour and cornmeal. Stir the flour and cornmeal with chopsticks to spread them evenly. Add the washed sophora japonica flowers and stir evenly with chopsticks. The batter should not be too thin or too dry. A little resistance is enough when stirring. . Smooth the batter with a spatula. After smoothing, sprinkle some sophora flowers on the surface. Put an appropriate amount of water into the steamer, then heat the water to about 30 degrees, turn off the fire source, place the small basin on the steaming curtain, cover the pot lid and ferment. Let it ferment until the volume increases to about 2.5 times its original size, then turn on the heat and steam for about 15 minutes. After steaming, take out the small basin, turn the steamed cake upside down from the small basin, and use a knife to cut the steamed cake into small pieces.