1. In a coffee grinder, food mill, food processor or blender, grind beans until a flour consistency.
2. Combine all ingredients and store in an airtight container.
3. To prepare, in a medium-sized saucepan combine 3/4 cup bean flour mix with 2-1/2 cups boiling water.
4. Mix with a whisk until combined.
5. Bring to boil, cover, reduce heat to low and simmer for 4-5 minutes or until thickened.
6. Mixture will thicken as it cools.