Cheddar Apple Sausage Mac

I got this out of a magazine at work. I haven't tried it yet.

• Ready In: 50 mins
• Serves: 8

Ingredients

• 1  lb rigatoni pasta
• 12  ounces  apple  chicken sausage, sliced
• 3  tablespoons butter, divided
• 2  granny smith apples, peeled, cored and sliced
• 1⁄2 small sweet onion, sliced
• 1⁄8 teaspoon salt
• 1⁄8 teaspoon pepper
• 2  tablespoons flour
• 1 1⁄2 cups milk
• 1  tablespoon Dijon mustard
• 3  cups cheddar cheese, shredded
• 1⁄2 cup panko breadcrumbs

Directions

1. Preheat oven to 350 degrees Fahrenheit.
2. Coat a broiler safe 9x13 baking dish with non stick spray.
3. Cook rigatoni.
4. Cook apple chicken sausages; set aside.
5. Add 1 tablespoon butter to skillet and saute apples and onion for 5 minutes.
6. Remove from heat; add cooked sausage, salt and pepper.
7. Add to drained pasta in pot.
8. Melt the remaining 2 tablespoons butter in a medium sauce pot.
9. Whisk in flour and cook for 1 minute.
10. Pour in milk and Dijon mustard and bring to a simmer.
11. Cook 3 minutes, whisking occasionally.
12. Remove from heat.
13. Whisk in shredded cheddar cheese.
14. Add to pasta pot.
15. Pour mixture into a 9x13 baking dish.
16. Top with Panko bread crumbs.
17. Bake at 350 degrees Fahrenheit for 25 minutes.
18. Turn oven up to broil; broil for 3 minutes to brown the breadcrumbs.