Combine the scallions, ginger, bell peppers, orange zest and juice in a bowl. Add the cornstarch and then the beef. Mix well to coat the beef.
Heat your wok or skillet over medium-high heat. Meanwhile, combine the remaining orange juice, soy sauce, honey and crushed red pepper in a large bowl until well combined. Set aside.
Add the vegetable oil to your heated wok and add the beef mixture to the pan. Cook and stir constantly until the beef is brown.
Add the soy sauce/honey mixture and keep on heat until the sauce is thickened.
Remove from heat, add the mandarin orange segments, toss and serve over rice.