1. Juice carrots, tomatoes and spinach, and drop 1 drop red food pigment with clear water.

2. Four minutes for color dough to wake for 20 minutes.

3. After waking up, roll the dough into an oval shape, about 3 mm thick.

Roll up along the edge

5. Roll it to the tail, so that the whole cake is rolled on the rolling pin.

6. Cut from left to right with a knife.

7. Sliced dough is rectangular.

8. Cut horizontally from the middle of the rectangle, then cut vertically for several times and cut into pieces of similar size.

9. Take a piece of dough and put chopsticks in the middle.

10. At the same time, knead it into an arch from top to bottom.

1 1. Pull out the chopsticks horizontally and the butterfly noodles will be ready.

12. Complete the dough of four colors in the same way.

13. Put them together and sprinkle with flour.

14. Set the table and take nice photos!