Instructions
- Pour the milk into a saucepan, then add the onion, garlic cloves, bay leaf and star anise
 - Bring almost to the boil, then remove from the heat, cover and set aside to infuse for 30 minutes
 - Strain into a jug and discard the flavourings
 - Preheat the oven to 200°C/180°C fan/Gas 6
 - Melt the butter in a separate saucepan over a low heat, then stir in the flour to make a roux and cook, stirring, for 1 minute
 - Gradually whisk in the warm infused milk, until the mixture is smooth
 - Slowly bring to the boil over a low heat, whisking continuously, until the sauce thickens
 - Simmer gently for 5 minutes, stirring often
 - Add the Comté and Cheddar cheeses and whisk in until smooth
 - Season to taste with salt and pepper
 - While the sauce is cooking, cook the macaroni in a large pan of salted boiling water until al dente, about 9 minutes or according to the packet instructions
 - Drain, refresh briefly under cold running water and drain again
 - Meanwhile, make the breadcrumb topping
 - Melt the butter in a frying pan, add the garlic and sauté for a minute without colouring
 - Stir in the breadcrumbs and cook over a low heat for about 8 minutes, until the breadcrumbs are pale golden and lightly toasted, stirring regularly to make sure the mixture doesn’t burn
 - Stir in the parsley
 - Tip the macaroni into the cheese sauce and mix well to coat
 - Pour the mixture into a large, wide gratin dish
 - Scatter the mozzarella on top, then sprinkle over the Parmesan. Sprinkle the toasted breadcrumbs over the top
 - Bake for about 15–20 minutes, until the topping is golden and crisp
 - Shave the black truffle on top and serve
 
Gordon Ramsay Restaurants