Hot roast beef rolls with onion gravy

Warm sliced leftover beef piled into soft rolls with sweet onion gravy.

Ingredients

Method

  1. Melt the butter in a pan and cook the onions slowly for 10 minutes until soft and golden.
  2. Stir in the flour and mustard for a minute, then gradually add the stock and Worcestershire sauce. Simmer for 5 minutes until glossy.
  3. Slide in the sliced beef and warm gently for 3 minutes. Don't boil or it will toughen.
  4. Toast the rolls briefly, pile in the beef and spoon over the gravy.