just add it to the same skillet used for steak and scrape up brown bits. Heat until bubbling and then bring to a simmer. Combine 1 teaspoon cornstarch with 1 tablespoon water and mix until dissolved. Add mixture to ""gravy"". Increase heat and allow mixture to thicken while constantly stirring. Pour gravy on top of steaks! I served this alongside some simple roasted sweet potatoes!""]"
This Korean Flank Steak W/ Roasted Sweet Potatoes relies on simple, everyday ingredients such as soy sauce, sugar, garlic cloves, minced and sesame oil. It comes together quickly and makes 4 servings, at about 319 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026