1. Prepare ingredients
2. After the butter is softened, add sugar to beat
3. Add the milk in portions and beat the egg liquid until smooth
4. Sift in low powder, cut and mix evenly without dry powder
5. Divide the dough into equal portions, add 2 drops of coloring to each, knead well, place in the refrigerator and freeze for ten minutes
6. Take out the frozen dough and roll it into a dough. After making it in sequence, stack them together. Use a rolling pin to roll up the dough, wrap it in plastic wrap, and freeze for 15 minutes in the refrigerator.
7. Cut the frozen dough into slices, leaving some gaps in the middle, and heat up and down at 140 degrees for 20 minutes
