Ingredients
Method
- Heat oven to 375°F; butter 2-quart dish. Boil macaroni in large pot with tablespoon salt to 1 minute short of package time; drain.
- Meanwhile, melt 3 tablespoons butter in saucepan over medium. Whisk flour 1 minute; gradually whisk in milk.
- Add mustard, sauce salt, and pepper; simmer 4 minutes until lightly thickened. Remove from heat; stir 8 ounces cheddar smooth.
- Fold in drained pasta; pour into dish and top with remaining cheddar.
- Bake 25 to 30 minutes until bubbling and golden. Rest 10 minutes.