Cook the pasta

• Bring a large pot of salted water to a boil.
• Cook the macaroni until al dente, then drain.

Make the cheese sauce

• Melt the butter in a saucepan over medium heat.
• Whisk in the flour and cook briefly to form a roux.
• Pour in the milk gradually, whisking until the sauce thickens.
• Season with salt and black pepper.

Mix together

• Remove the sauce from the heat and stir in the cheddar and mozzarella until melted and smooth.
• Add the drained macaroni and mix until every piece is coated.

Bake until golden

• Transfer the mac and cheese to a baking dish.
• Bake at 200 °C until bubbling and golden on top.

Serve

• Let it rest for a few minutes before serving.