Materials

Main ingredient: seven black corn, 600g sweet potatoes, 200g purple potatoes;

Supplementary ingredients: water in moderation

Steamed black corn, sweet potatoes and purple potatoes

1

Preparing the black corn

2

Peeling the skin of the corn

3

Preparing the sweet potatoes, purple potatoes <

4

Sweet potatoes, purple potatoes washed and arranged in the pressure cooker, corn is also arranged in the pressure cooker

5

Cover the lid on the steam to steam for 20 minutes

6

Steamed.