Mushroom Rarebit - cooking recipe

Ingredients

8 large field mushrooms
4 garlic cloves, unpeeled
olive oil
salt, to taste
fresh ground pepper, to taste
1/2 cup milk, low fat is fine
1 tablespoon plain flour
1 teaspoon mustard powder
1 tablespoon Worcestershire sauce
400 g grated cheese, a tasty variety
165 g fresh breadcrumbs
120 ml Guinness stout
fresh ground pepper, to taste
1 egg
1 egg yolk

Preparation

Preheat the oven to 190\u00b0C/375\u00b0F.
Place the mushrooms on an oven tray (stem sides up) and sprinkle them with oil and seasonings. Put the garlic cloves on the tray. Cook them in the oven until they are tender.
Whisk the milk and flour together then bring them to the boil in a saucepan, continually whisking.
Peel the garlic, crush and add to the milk and flour mixture, together with the mustard powder, Worcestershire sauce (to make a vegetarian version of this recipe, be sure to use Worcestershire sauce that does not contain anchovies), cheese, breadcrumbs, Guinness and ground pepper. Mix with a wooden spoon until all the ingredients are well combined and the the cheese has melted.
Turn the heat off and add the egg and the egg yolk. Beat vigorously and then spoon a generous amount of the mixture onto the mushrooms.
Grill until the mushrooms are golden and bubbling.
Serve as an entree to a main course, or as a side dish.