For each:

1 Guinness beer, room temperature

2 digestive biscuits

Cadbury milk chocolate

1 large or 2 regular-sized marshmallows

Pour beer into small saucepan and boil until it reduces to a syrup.

Skewer marshmallow on a stick and roast over the grill.

Place chocolate on one digestive biscuit and place on edge of grill just for the chocolate to soften a little.  Place roasted marshmallow on top of chocolate topped biscuit.

Spoon Guinness reduction to top, then second disgestive biscuit.