What are the unique techniques Janis Elspas uses for colorful Kosher for Passover matzot?

Based on the available content, it seems that Janis Elspas has introduced a unique concept of colored Kosher for Passover matzot. However, the specific techniques or methods used to create these colorful matzot are not detailed in the provided information.

Would you like to know more about the significance of these colored matzot during Passover, or are you interested in other unique ideas Janis Elspas has shared for Passover celebrations?