01 -
Boil lo mein noodles or spaghetti according to package instructions until just al dente. Drain well and toss with half of the sesame oil to prevent sticking and impart a subtle nutty flavor.
02 -
In a small bowl, whisk together soy sauce, oyster sauce, brown sugar, and water until the sugar dissolves completely. Set aside.
03 -
Heat vegetable oil in a large skillet or wok over medium-high heat. Add ground beef, breaking it apart, and cook until fully browned with no pink remaining. Remove beef from pan and set aside.
04 -
In the same pan, add minced garlic and grated ginger and sauté until fragrant, about 30 seconds. Add carrots, bell peppers, and red onion; stir-fry for 3 to 4 minutes until vegetables are crisp-tender with vibrant color.
05 -
Return the cooked ground beef to the pan. Add the cooked noodles and pour the prepared sauce over. Toss everything thoroughly over medium heat until evenly coated and heated through.
06 -
Sprinkle sliced green onions over the dish and drizzle with remaining sesame oil. Serve immediately to enjoy the best texture and aroma.