Gratin de Macaroni

Ingredients

• Macaroni (1 pound)
• Unsalted butter (4 tablespoons)
• All-purpose flour (1/4 cup)
• Milk (3 cups)
• Gruyere cheese, grated (2 cups, divided)
• Parmesan cheese, grated (1 cup)
• Salt (to taste)
• Black pepper (to taste)
• Nutmeg (1/4 teaspoon)

Instructions

1. Preheat your oven to 375°F (190°C).
2. Cook the macaroni according to package instructions until al dente. Drain and set aside.
3. In a large saucepan, melt the butter over medium heat.
4. Add the flour and cook for 1-2 minutes, stirring constantly until lightly golden.
5. Gradually whisk in the milk, continuing to cook and stir until the mixture thickens and bubbles.
6. Remove the saucepan from heat and stir in 1 1/2 cups of the grated Gruyere cheese and the Parmesan cheese until melted and smooth.
7. Season the cheese sauce with nutmeg, salt, and pepper to taste.
8. Add the cooked macaroni to the cheese sauce and mix well until the pasta is thoroughly coated.
9. Transfer the macaroni and cheese mixture into a greased baking dish, spreading it evenly.
10. Sprinkle the remaining 1/2 cup of grated Gruyere cheese generously over the top.
11. Bake in the preheated oven for 20-25 minutes, or until the top is golden brown and bubbly.
12. Allow the gratin to cool for a few minutes before serving, to let the flavors meld.