In a covered pot over medium heat, bring quinoa and water to a boil. Reduce to a simmer, and leave covered for 15 minutes. Cool the quinoa, and then refrigerate for a couple hours or overnight.
Make a date paste by pulsing them alone in a food processor or blender. Set aside.
In the food processor, grind almonds until they are broken in small pieces but have not been turned to flour.
Add the dates back in along with peanut butter, quinoa, and protein powder. If desired, add honey. Mix until all ingredients are well integrated.
Divide mixture into 8 parts, and form each one into a bar. Refrigerate for an hour or two, and store in an airtight container.