1. Combine firecracker sauce ingredients in a small bowl and set aside.
2. Heat oil in a large frypan over high heat. Add beef and cook,breaking it up as you go,until you can no longer see raw meat (2½ minutes). Add garlic and chilli flakes and cook for 1 minute.
3. Add firecracker sauce ingredients,stir to coat the beef,then cook for 5 to 7 minutes,stirring only every minute or so initially,then more towards the end,until the sauce reduces and you can see the beef caramelising.
4. Add the water and cook for 1 minute (the water makes the beef saucier!).
5. To serve,divide noodles between bowls. Top with beef then place carrot and cucumber on the side. Sprinkle with green onion and sesame seeds. To eat,mix it all up then dive in!
If you like this recipe try Nagi'sFirecracker chicken
More beef mince recipes from RecipeTin Eats