Add 3 tablespoons of olive oil to a pan over medium high heat. Add lettuce, spices and soy sauce. Cook until your lettuce is wilted.
Put lettuce mixture, garlic, beef, turkey, bread crumbs and eggs and pulse until it's combined. Depending on food processor size you might have to do 2 batches.
Form this mixture into 1-2 inch balls.
Preheat oven to 350 degrees.
Line 2 cookie sheets with aluminum foil and spray with nonstick spray.
Put meatballs on foil and cook 35-40 minutes or until the internal temperature is 160 degrees.