| Prepare pasta according to package directions; drain.
In a non-stick skillet, saut? the flank steak over high heat. If it begins to stick, add a little soy sauce, one tablespoon at a time. When the steak is cooked through, reduce the heat to medium-low and add the soy sauce, red bell pepper, carrots and scallions. Increase heat to medium-high and cook three minutes. Toss with pasta and serve.