2 spring onions, sliced in half lengthways, to serve
salt and black pepper
Method
Mash together the cheese, mustard, egg yolk, spring onions and a grind of black pepper.
In a saucepan, melt the butter then stir in the flour and cook for 1 min, stirring continuously.
Gradually pour in the stout then the milk, stirring continually until incorporated, then add the cheese mixture and continue to stir until melted and smooth.
Set aside.
Heat the grill and line the grill pan with foil.
Toast the bread on both sides then cover with the cheese mixture.
Grill until bubbling and browned.
Top with half a spring onion and serve with beetroot relish and your favourite beer.
Recipe by appetite magazine at https://www.appetitemag.co.uk/spring-onion-rarebit/