dinner irl

Name: Beef with Broccoli
Prep time: 15 min
Cook time: 30 min
Total time: 105 min
Ingredients: 1 pound flank steak, patted dry and very thinly sliced against the grain; 4 teaspoons cornstarch; 1 tablespoon soy sauce; 1 tablespoon rice vinegar; 1 egg white; 1 tablespoon kosher salt; 1 tablespoon sesame oil; 2 tablespoons soy sauce; 1/4 cup oyster sauce; 1/2 tablespoon chili-garlic sauce, or to taste, optional; 1/2 cup plus 1 tablespoon grapeseed oil, divided; 1 pound broccoli, cut into florets; 2 tablespoons unsalted butter; rice, to accompany