Easy Greek Burgers

"These healthy Greek burgers are made using ground beef mixed with spinach, feta, and sun-dried tomatoes, then drizzled with a delicious tzatziki sauce. Whether you prefer to grill your burgers, bake them, or pan sear them, these Greek burgers will be sure to satisfy your burger cravings and you will love all of the flavors and textures going on here. Most prominent are the sun-dried tomatoes and feta cheese, followed by the spinach and tzatziki sauce."