On a plastic tray covered with plastic wrap, freeze the turkey and fatback for 30 minutes to firm. In an electric standing mixer with the food grinder attachment, or in a food processor, grind the meat and fatback together in short bursts. It should be chopped rather than pulverized, and should remain somewhat chunky.
In a large mixing bowl, combine the ground meats with the wine, chiles, cilantro, salt, and pepper. Wash your hands thoroughly and mix together by hand until all the ingredients are well blended, but don't overmix or the meat will become warm and mushy. Refrigerate for 2 hours, covered, to allow the flavors to marry. Form the sausage mixture into flat patties, approximately 3-inches in diameter. In a large non-stick pan heat 2 teaspoons canola oil over medium-low heat (or heat a well-seasoned flat griddle pan). Saute the sausage patties until golden, turning once with a flat-ended nonstick spatula and draining the fat as necessary. Drain briefly on paper towels and serve hot.
c.1997, M.S. Milliken & S. Feniger, all rights reserved