Make Ahead
Cool meat mixture completely. Place in resealable freezer-weight plastic bag or 4 small freezer containers; place buns in resealable freezer-weight plastic bag. Freeze up to 3 months. Thaw meat mixture and buns in refrigerator overnight. When ready to serve, reheat meat mixture in small saucepan on medium heat, stirring frequently.
Variation - Saucy BBQ Sloppy Janes
Substitute lean ground turkey for the ground beef.