Nutrition information is calculated using an ingredient database and should be considered an estimate
Combine ground turkey, onion, bread crumbs, eggs, milk and salt in large bowl; shape into 50 (1-1/2 inch) meatballs.
Melt 2 tablespoons I Can't Believe It's Not Butter!® Spread in 12-inch nonstick skillet over medium heat and brown half the meatballs, turning gently, about 4 minutes; add to slow cooker. Melt remaining 2 tablespoons Spread and brown remaining meatballs; add to slow cooker.
Add chicken broth and cranberry sauce to slow cooker. Cook covered on HIGH 3 hours or until meatballs are done.
Combine sour cream with flour with wire whisk. Whisk 1/2 cup liquid from slow cooker into sour cream mixture. Gently stir back into slow cooker; combine well. Cook covered an additional 30 minutes or until thickened. Stir in parsley just before serving. Serve over hot cooked noodles if desired.