Preheat oven to 450 degrees F. Spray a baking sheet with non-stick cooking spray and set aside.
Add chopped beets into the food processor, process for 10 seconds. Now add all remaining ingredients, process for 10 seconds, stop, scrape the sides of the processor and process again for additional 6 seconds (the mixture will be coarsely ground).
Using a an ice cream scoop, measure 1 scoop of mixture onto the prepared baking sheet, spacing slightly apart (if you do not have an ice cream scoop on hand, then use one-tablespoon measuring spoon and measure slightly heaped mounds onto the baking sheet). Gently smooth any uneven edges (if desired).
Spray the tops with non-stick cooking spray, place pan in the middle rack of the oven and bake for 30 minutes.
Place pan on a wire rack to cool. Enjoy falafels hot / warm / room temperature (best eaten hot/warm).