# Components:
→ Pasta
01 - 12 oz elbow macaroni
→ Cheese Sauce
02 - 2 tbsp unsalted butter
03 - 2 tbsp all-purpose flour
04 - 2 cups whole milk
05 - 1 cup grated Gruyère cheese
06 - 1 cup grated sharp white cheddar cheese
07 - ½ cup grated Parmesan cheese
08 - 1 tsp Dijon mustard
09 - 1 tsp sea salt
10 - ½ tsp freshly ground black pepper
11 - 1½ tbsp truffle oil, plus extra for drizzling
→ Topping
12 - ½ cup panko breadcrumbs
13 - 1 tbsp unsalted butter, melted
14 - 2 tbsp grated Parmesan cheese
15 - 1 tbsp chopped fresh parsley (optional)
# Method:
01 - Preheat oven to 400°F. Butter a 2-quart baking dish.
02 - Boil macaroni according to package directions until al dente. Drain and set aside.
03 - Melt 2 tablespoons butter in a large saucepan over medium heat. Whisk in flour and cook for 1 minute.
04 - Gradually whisk in milk, stirring constantly until smooth and thickened, about 3 to 4 minutes.
05 - Remove from heat and stir in Gruyère, sharp cheddar, Parmesan, Dijon mustard, salt, pepper, and truffle oil until smooth.
06 - Add cooked macaroni to sauce, stirring to coat evenly.
07 - Pour macaroni mixture into prepared baking dish.
08 - Mix panko breadcrumbs with melted butter and Parmesan cheese; sprinkle evenly over casserole.
09 - Bake for 15 to 18 minutes until topping is golden and bubbling.
10 - Let rest 5 minutes. Drizzle with extra truffle oil and garnish with parsley before serving, if desired.
