Mix marinade ingredients (cornstarch, rice wine, soy sauce, baking soda) and coat sliced beef. Let marinate for 15-30 minutes.
Whisk sauce ingredients together in a bowl until well combined.
Cook lo mein noodles 1-2 minutes less than package directions. Rinse with cold water and toss with a teaspoon of sesame oil.
Heat 1 tablespoon oil in a wok over high heat. Add beef in a single layer and sear for 30 seconds, then stir-fry for another minute until just browned. Remove to a plate.
Add remaining oil to the wok. Stir-fry garlic and ginger for 15 seconds, then add onions for 1 minute.
Add broccoli and carrots, stir-frying for 2-3 minutes until crisp-tender.
Add cooked noodles and sauce to the wok. Toss everything together for 1-2 minutes.
Return beef to the wok with any juices. Toss for another minute until well-coated.
Add green onions, give a final toss, and serve immediately.Retry
Keyword beef and broccoli lo mein, Chinese stir fry, homemade Chinese food, better than takeout, easy weeknight dinner, Asian noodles, beef noodle recipe