Soy Sauce–Marinated Grilled Flank Steak and Scallions Recipe | Epicurious

Ingredients

• 3 Tbsp. extra-virgin olive oil, divided, plus more for grill
• 1 1/2 lb. flank steak
• Kosher salt, freshly ground pepper
• 1 bunch scallions, trimmed
• 1/4 cup mirin (sweet Japanese rice wine)
• 1/4 cup soy sauce
• 2 Tbsp. light brown sugar
• 1 Tbsp. distilled white vinegar
• 1 Tbsp. Sriracha
• 2 tsp. toasted sesame oil
• Toasted sesame seeds (for serving)