Cheesy Conundrum Casserole

Directions

1. Cook pasta in a large saucepan according to package directions
2. Drain and rinse with cold water
3. Return pasta to large saucepan
4. Melt butter in a medium saucepan over medium heat
5. Stir in flour
6. Cook for 2 minutes, whisking constantly
7. Gradually whisk in half and half and salt
8. Simmer for 5 minutes, whisking frequently
9. Pour sauce over the pasta, add ham and veggies
10. Toss well
11. Combine cheeses
12. Layer half of the pasta mixture in a 9'x13' baking dish coated with nonstick cooking spray
13. Top with half of the cheese mixture
14. Repeat layering with remaining pasta and cheese
15. Sprinkle with ground nutmeg
16. Bake, uncovered at 400° for 35 minutes or until cheese is golden brown