Quick'n'easy vanilla toffee sauce

          Ingredients  

      20g butter 
      30g sugar 
      1/4 cup milk 
      1 tsp vanilla                                                                                       

1. Melt butter, when the butter has melted add milk and stir.
2. Add sugar and boil for 3-4 minutes until it's thickened to a sauce-like consistency, then add the vanilla.

      Eat hot or cold