Macaroni and Cheese from @WilmaDelgado

Macaroni and Cheese from @WilmaDelgado

1 (8 oz) package penne pasta
1 tbsp butter
1 tbsp flour
1 1/2 cups milk
1/2 cup half and half
1/2 cup (4oz) shredded white cheddar cheese
1/4 cup grated Parmesan cheese
1 cup (8 oz) shredded Gruyere cheese, divided*
1 tsp salt
1/4 tsp pepper
Pinch of ground nutmeg

1.  Preheat oven to 350.  Prepare pasta according to package directions.
2.  Meanwhile, melt butter in a medium saucepan over medium heat.  Whisk in flour; cook, whisking constantly, 1 minute. Gradually whisk in milk and half and half; cook, whisking constantly, 3 to 5 minutes or until thickened.  Stir in cheddar cheese, parmesan, 1/2 gruyere cheese, and next 3 ingredients until smooth.
3.  Stir together pasta and cheese mixture, and pour into a lightly greased baking dish.  Top with remaining 1/2 cup Gruyere cheese.
4.  Bake at 350 for 15 minutes or until golden and bubbly.  * Swiss cheese may be substituted. Note:  To make ahead, proceed with recipe as directed through Step 3.  (Do not top with remaining Gruyere cheese)

Cover and chill up to 8 hours.  Let stand at room temperature 30 minutes.  Bake at 350 for 20 to 25 minutes or until bubbly.  Increase oven temperature to 400.  Top pasta mixture with remaining Gruyere cheese, and bake 10 minutes or until golden.