Cheesy Shells and Greens Recipe

Directions:

1. Cook the pasta according to package directions.
2. Meanwhile, melt the butter in a large pot over medium heat.
3. Add the flour and cook, stirring for 2 minutes; whisk in the milk.
4. Cook, stirring occasionally, until slightly thickened, 5 minutes.
5. Whisk in the mustard, nutmeg, cayenne, if using, 1 cup Cheddar, 1/2 t salt and 1/4 t pepper.
6. Add the pasta and spinach and toss to combine.
7. Heat broiler; transfer the mixture to a 1 1/2 quart broiler-proof baking dish or four 12 ounce ramekins.
8. Sprinkle with the remaining 1/2 cup cheddar and broil until golden brown, 3-4 minutes.