Uncle's provides a very inviting and relaxing open-air cafe that serves homemade Aiyu jelly in many different flavors. I've tried lemon, berry and passionfruit. They also serve cakes, pies and fresh juice. I really appreciate their use of natural elements in the decor and their great views of the lush green mountains surrounding Fenchihu.
This is where you order...
...and here is their seating area.
Uncle's Aiyu shop displays a cute little cloth hanging on clothespins with a few photos to help illustrate the complex process of making Aiyu jelly.
It starts like this...