1. Prepare the chocolate and piping bag.
2. Put the chocolate into the piping bag and dissolve it with about 40 degrees of water (chocolate can be broken into pieces)
3. Melted chocolate.
4. Use scissors to make a small cut.
5. Write the words on greased paper.
6. Describe it a few more times, it's too detailed.
7. Put it in the refrigerator and freeze.
8. After freezing, remove it as shown in the figure.
9. Put decoration on the cake.
10. happy Birthday!
