Preheat the grill then toast four slices of sourdough bread lightly on each side.
Put 200g (7oz) pulled pork in a bowl and mix together with 2tbsp sundried tomato puree and season with Worcestershire sauce.
Top the toast slices evenly with the pork mixture.
Separate 2 medium eggs.
Add 2tbsp Dijon mustard to the bowl with the egg yolks and mix together then stir in grated mature Cheddar cheese and season well.
Beat in the egg whites to make a creamy mixture.
Top each toast with the mixture and grill until golden and bubbling.
Serve and eat hot.