1.Preheat An Outdoor Grill For Medium-High Heat And Lightly Oil Grate. 2.While The Grill Is Preheating, Mix Together Eggs, Garlic, Feta Cheese, Spinach, And Turkey In A Large Bowl Until Well Combined; Form Into 8 Patties. 3.Cook On Preheated Grill Until No Longer Pink In The Center, 15 To 20 Minutes.