1. After the butter is softened, add fine sugar and beat evenly
2. Add the egg mixture twice and add vanilla extract at the same time
3. Stir well
4. After sifting in low flour, mix into dough
5. Divide the dough into five parts, four of which are equal parts and the other part is slightly larger. Add cocoa powder, purple sweet potato powder, wormwood powder and beetroot powder to the four equal parts of the dough.
6. Knead the dough with toner evenly
7. Put the five doughs into the fresh-keeping bag separately, and roll the four colored doughs into the same size noodles. The raw colored dough only needs to be rolled out thin, and then put it in the refrigerator for more than half an hour
8. After freezing hard, take out four colored noodles and cut into thin strips according to the width of 5mm
9. Tile thin strips of four colors together
10. Then spread the second, third, and fourth layers, the color of each layer is staggered with the layer below
11. After making three servings, continue to freeze in the refrigerator until hard
12. Divide the original color dough into three parts, roll each part out, wrap the chess grid, and freeze it in the refrigerator until hard
13. After freezing hard, take out the slices
14. Put it in the baking tray, oven 170 degrees, 15min
15. Baking is complete~
Tips:The finished size is about 2.2cm*2.8cm per piece
This recipe can bake a plate and a half of biscuits~
