Purple Potato Yogurt Cake

Ingredients:

Yogurt 50g, one egg, 80g purple potato puree

Steps:

1. The above ingredients to put a complementary food machine to beat fine

2. Steaming bowl brush complementary food oil pavement oil paper, pour into the purple potatoes yogurt paste, vibration out of the air bubbles

3. Covered with plastic wrap tied holes, cold water on the pot steaming 30 minutes, boring three minutes

4. Cool and cut into pieces!