Sweet-And-Sour Turducken Meatballs

Whirl half of tomatoes with carrot and onion in a food processor until puréed. Add 1 cup pineapple and pulse once or twice until pineapple is finely chopped. Pour sauce into a large pot and set over high. Stir in remaining tomatoes and pineapple, ketchup, honey, vinegar and 1/4 tsp salt. Bring to a boil, then reduce heat to medium-low. Simmer, uncovered, stirring occasionally, for 15 min. Remove skin from duck breast and discard. Cut duck into chunks and pulse in food processor until coarsely chopped. Transfer to a medium bowl. Add turkey, chicken, bread crumbs, parsley and remaining salt. Season with pepper. Mix with your hands until combined. Roll into 2-in. balls, then drop into sauce. Simmer, uncovered, stirring occasionally, until meatballs are cooked through, about 20 min.