Meatball

Ingredients : 1 pound ground beef ½ pound ground pork ½ pound ground veal 2 teaspoons salt ½ teaspoon ground black pepper 2 eggs ⅓ cup finely chopped onion ½ cup heavy cream 1 cup dry bread crumbs 1 cup butter ¼ cup all-purpose flour 2 cups chicken broth 2...