In a medium mixing bowl, combine all the turkey patties ingredients, including the spinach mixture. Mix until all the ingredients are thoroughly combined being careful not to over mix.
2 pounds turkey ground meat, 1 teaspoon kosher salt, 1/4 teaspoon freshly ground black pepper, 1/4 teaspoon red pepper flakes, 2 teaspoons soy sauce, 1 tablespoon mustard, 2 ounces goat, 2 tablespoons extra virgin olive oil , the cooked spinach mixture