1. Grill three rashers of bacon until crisp, then cut into small pieces.
2. Sieve together the flour and salt into a bowl, rub in the butter until it resembles fine breadcrumbs. Add all but 1 5 g (1/2 oz) of the cheese and the crumbled bacon.
3. Mix the milk, tomato ketchup and Worcestershire sauce together and add to dry ingredients.
4. M ix to a soft dough and roll out to an 18 cm (7 inch) circle, brush with milk and cut into eight wedges. Arrange on a buttered, floured baking tray in a circle with edges overlapping. Sprinkle with the remaining cheese.
Optional: Bake in the oven at 200°C (400°F) mark 6 for 30 minutes. Cut the. remaining bacon in half and roll up. Place rolls on skewer and grill till crisp. Use as garnish.