Put beef and cornflour into a bag together and toast to evenly coat all the beef.
Into the slow cooker add all ingredients under section 2. Mix well to combine.
Add the coated beef to sauce mix and mix well to coat all the beef with sauce.
Add the ingredients under section 3. into the beef and sauce and mix them well.
Cook with the lid on and no tea towel on High for 1 & 1/2 - 2 hours, beef should be close to cooked and tender and carrots softened.
At this time add the ingredients under section 4. and stir to combine.
Cover with lid, no tea towel and cook for a further 30 minutes or until broccoli is cooked to your liking.
Add the pre-prepared rice noodles to the beef and vegetables, stir well.
Put lid on, turn slow cooker off and let sit for 5 - 10 minutes before serving.
Used a 6L Modern Living slow Cooker
Inspiration stemmed from Cheng Ibberson's recipe for Mongolian Beef