PREP: Thin slice the onion and garlic. Break up the broccoli into florets and in similar sizes. In a measuring cup, combine the sauce ingredients from oyster sauce to pepper. Set them aside ready to use.
BEEF: Preheat a large (12-inch or large) saute pan or wok over medium heat until it feels quite warm. Add the oil and the beef. Turn heat up to medium-high and use a wooden spoon to break the meat into fine bites. Season with salt and saute until the ground meat is cooked through and lightly browned, about 6 minutes.
BOIL NOODLES: In the meantime, bring a large pot of water to boil and season with salt. Add the noodles and follow the package instructions to boil to al dente.
AROMATICS & BROCCOLI: Once the beef is browned, add the garlic and onion. Saute for 1-2 minutes or until you can smell the aroma. Add the broccoli and a splash of cooking wine, saute for 3 minutes or until the florets just turn tender and crisp. Turn off the heat while waiting for the noodles to boil.
ADD NOODLES & SAUCE: Reserve 6 tbsp of noodle water, drain the noodles and add them directly into the pan without rinsing. Turn heat up to high, toss with the noodles for a few seconds then pour in the sauce, along with the noodle water. Continue tossing and scooping from the bottom up to incorporate then turn off the heat.
SERVE: Serve over pasta bowls and garnish with scallions and toasted sesame seeds. Serve warm.
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Notes
Other types of noodles to use: ramen noodles, rice noodles, chow mein noodles, egg noodles, zucchini noodles or Shirataki noodles.
Cookware: Use a large pan that can hold all the ingredients. A 6-quart Dutch oven works well too.
Chinese cooking wine substitute: Use gluten-free Japanese mirin, Taiwanese michu (not GF), dry sherry, cooking sake, or chicken stock.
Storage: Store in an airtight container in the fridge for up to 4 days. To reheat, sprinkle a little water over the noodles and microwave on medium for 1 minute, stir, and microwave for a few more seconds until warmed through