Transfer the meat mixture to a large resealable freezer bag. Remove excess air and seal.
Pour the sauce mixture into a medium resealable freezer bag. Remove excess air and seal.
Staple the BBQ sauce to the meat mixture above the seal. Freeze.
Thaw.
Preheat the oven to 350°.
Press the meat mixture into an 8x8 square pan and top with the BBQ sauce from the medium bag.
Bake uncovered for one hour, then let stand for 10 minutes before serving.