Beat egg in large bowl. Add meat, stuffing, milk, 1/2 t of nutmeg, and salt. Mix. Shape into 1" balls. Melt butter in large skillet on medium heat. Add meatballs; cook until browned on all sides, stirring occasionally. Remove meatballs from skillet; cover to keep warm. Add flour to drippings in skillet (or 7 T butter and 4 T flour). Add broth; bring to boil. Reduce heat to low; simmer 3 minutes or utnil thickened. Stir in sour cream and remaining nutmet. return meatballs to skillet; simmer 2 minutes or until heated through. Serve over hot cooked rice or noodles.