Wash the mugwort thoroughly and remove excess water.
In a bowl, mix oatmeal, protein powder, and nuts together.
Finely chop the mugwort and add it to the mixture.
Add honey and milk, and mix well until the ingredients stick together.
Firmly press the combined dough into a rectangular mold.
Chill in the refrigerator for at least 1 hour, then cut into bite-sized pieces.