Sesame Beef Stir fry

So easy, this can be made in the time it takes to get delivery. I served it over brown rice. 1 tablespoon grated ginger 1 tablespoon minced garlic 1 tablespoon grated orange lemon zest 2 tablespoons lower sodium soy sauce 1 tablespoon mirin (rice wine) 1 1/2 teaspoons brown sugar 1/2 teaspoon crushed red pepper 1 pound flank steak,sliced thin 8 green onions, cut into 1 inch pieces (white and light green parts only) 4 cups fresh spinach 1 tablespoon sesame seeds 1 tablespoon sesame oil Combine first 7 ingredients in a small bowl. Add beef to bowl and toss. Heat a wok or skillet on high heat. Add oil, swirl to coat. Add half the beef, cook for approx 3 minutes until browned. Remove, and repeat with the reaining beef. Remove. Add onions and cook for 1 minute. Add marinade and cook for 1 minute. return beef to the pan, warm through (1-2 minutes) add spinach and cook until wilted. Top with sesame seeds and serve.