Directions

1. Using a box grater, grate the Castile soap into medium-coarse crumbs.
2. Mix grated soap with remaining ingredients until a damp powder forms.
3. Use 2 tablespoons for a small load of laundry, 4 tablespoons for a medium load, and 8 tablespoons (1/2 cup) for a large load.
4. Store in an airtight glass or plastic container.