Step 1: Cook the Noodles: Cook the linguine according to package directions until cooked to your liking. Drain well and set aside.
Step 2: Brown the beef: Fry 450g of ground beef in a large frying pan or wok over medium heat until well browned. Drain off excess fat.
Step 3: Fry the aromatics: Add 1 tbsp ginger paste and 5 tsp minced garlic and fry for another minute until fragrant.
Step 4: Make the sauce: Combine 125ml beef stock, 125ml soy sauce, 80ml hoisin sauce, 60ml brown sugar, pepper and red chilli flakes to taste. Stir until the sugar is completely dissolved.
Step 5: Thicken the sauce: Reduce the heat to low and simmer for 10 to 15 minutes, until the sauce has reduced and thickened slightly.
Step 6: Mix and serve: Stir the cooked linguine into the meat and sauce mixture and mix well. Serve immediately, garnished with green onions and sesame seeds, if desired.
