Cook the pasta: Boil salted water and cook macaroni until al dente. Drain and set aside.

Warm the dairy: In a large pan, melt butter, then add milk and cream. Heat gently.

Add the cheese: Gradually add shredded cheese, stirring until smooth.

Season: Add salt, pepper, garlic powder, and mustard powder. Adjust to taste.

Combine: Stir in cooked pasta until well coated.

Serve hot: Garnish with extra cheese or herbs. Optional: bake for a golden crust.