This recipe was featured in the September 2015 magazine of Every Day with Rachael Ray magazine.
In a food processor, pulse the greens until very finely chopped.
In a mixing bowl, combine the greens and the meat. Add the onion and its juice, and the Worcestershire; season with salt and pepper. Form into 4 patties that are thinner in the centers for even cooking. Rinse out the processor bowl and return it to the base.