Cut steaks crosswise into 1/4-inch thick strips; cut strips in half. Heat 1/2 tablespoon sesame oil in large nonstick skillet over medium-high heat until hot. Add ginger and garlic; cook for 1 minute. Add half of the beef and stir-fry for 2 minutes, or until the outside surface of the beef is no longer pink. Remove from skillet. Repeat with remaining oil and beef. Season with salt and pepper, to taste. Remove from skillet and keep warm.
Add broth, green onions, and mirin to skillet and bring to a boil. Reduce heat to low and simmer for 8 to 10 minutes.
Meanwhile, divide noodles and beef evenly among 4 large soup bowls.
Bring broth mixture to a boil over high heat. Ladle boiling mixture evenly over beef and noodles. Garnish with carrots.
A viewer or guest of the show, who may not be a professional cook, provided this recipe. It has not been tested for home use.