Add the short ribs with their liquid to a skillet; heat over med-low 5-6 min, turning often, until warmed through; drain off broth + mix in a package of sauce; heat 1 more min

Meanwhile, pour the sweet potato mash into a microwave-safe dish, cover + microwave on high 1-2 min, then stir until smooth; alternatively, boil a pot of water + place the mash in it's plastic packaging into the boiling water then cover the pot + warm 6-8 min

Wash scallions, thinly slice crosswise + discard roots; divide everything between plates + garnish with scallions—delish!