Making steps of color rolls: 1 1. Spinach is juiced with a cooking machine for later use.

Step 22: put the purple potato in a pot and steam it, and grind it into mud with a rolling pin or a cooking machine.

Step 33: begin to mix flour and white dough: melt yeast in milk and add flour to make smooth dough; Because the water content of purple sweet potato paste is different, the water content of purple dough needs to be mastered flexibly; The dough is directly mixed with yeast and flour. Try to keep all the dough soft and hard.

Step 44: Cover the dough with plastic wrap and ferment until it is twice as big.

Step 55: Take out the fermented dough and roll it into large pieces for stacking.

Exercise of color roll step 66. Roll up from top to bottom.

Step 77: Divide the rolled dough into 2-3cm pieces with a scraper, and cover with plastic wrap 15 minutes.

Step 8: Put a basket cloth or oiled paper under the steamer, put a flower roll on it, steam on high fire for 15 minutes, and then steam on low fire for 5 minutes.

Step 99. Don't open the lid immediately after the time is over. It's best to wait for 5 minutes to avoid water dripping on the rolls.