Directions
- 5 tbsp butter
- 1/4 cup plain flour
- 2 cups milk
- 1 cup double cream
- 1 tbsp salt
- 1 tsp mustard powder
- 3 cups grated cheddar
- 2 cups grated gruyere
- 1 lb of pasta, cooked
- 1 cup grated mozzarella
- 1.1 lb puff pastry, rolled to around 4 mm thickness
- 18 rashers bacon, cooked until crisp
- 2 egg yolks, beaten