Galangal is a rhizome like ginger with similar taste but more citrusy. You can buy it fresh, dried, or powdered. It is popular in Asian cooking.| The Spruce Eats
Flank steak is a long, flat cut from the abdominal muscles with a rich, beefy flavor. It is lean and used for fajitas, stir-fries, and as beef strips.| The Spruce Eats