Step 1: Cook the Spaghetti

1. Boil the Pasta: Bring a large pot of salted water to a boil. Add the spaghetti and cook until al dente, according to the package instructions (usually 8-10 minutes). Reserve ½ cup of the pasta water before draining.
2. Drain and Set Aside: Drain the cooked spaghetti, toss with a drizzle of sesame oil to prevent sticking, and set aside.

Step 2: Prepare the Sauce

1. Combine Ingredients: In a small bowl, whisk together soy sauce, oyster sauce, hoisin sauce, sesame oil, rice vinegar, and sugar. Set aside.

Step 3: Cook the Ground Beef Mixture

1. Heat the Oil: In a large skillet or wok, heat vegetable oil over medium-high heat.
2. Cook the Aromatics: Add the garlic, ginger, and onion. Sauté for 2-3 minutes, or until fragrant and softened.
3. Brown the Beef: Add the ground beef and cook for 5-7 minutes, breaking it into crumbles with a wooden spoon, until fully cooked and browned.
4. Add Vegetables: Stir in the carrot and peas. Cook for an additional 3-4 minutes, until the vegetables are tender.

Step 4: Combine Everything

1. Add the Sauce: Pour the prepared sauce over the ground beef mixture. Stir well to coat the beef and vegetables evenly.
2. Incorporate the Spaghetti: Add the cooked spaghetti to the skillet. Toss to combine, ensuring the pasta is evenly coated with the sauce. Add reserved pasta water, a little at a time, if the mixture seems dry.

Step 5: Garnish and Serve

1. Plate the Pasta: Divide the spaghetti among serving plates or bowls.
2. Garnish: Sprinkle with scallions, toasted sesame seeds, and sriracha or chili flakes for extra flavor.
3. Serve Immediately: Enjoy this dish warm as a satisfying main course.