Pour 2T beef broth into a large sauté pan along with the london broil strips. Sear beef for 2 minutes, flip and sear for another 2 minutes. Remove from pan and set aside.
In a small bowl, combine the ginger, orange zest, 1/4 cup beef broth, red pepper flakes, stevia, rice vinegar, coconut aminos and salt in a small bowl. Set aside.
Add garlic to hot sauté pan (same pan where beef was cooked is fine) and cook, stirring for one minute.
Add sauce mix to the pan and cook for one minute.
Add the beef back to the sauté pan and cook for 3 minutes.
Turn off heat and add orange slices. Divide between two plates and garnish with scallions. Serve hot.