Orange-Spinach Pasta

Directions

1. 1
   Bring 3 qts lightly salted water to a boil in a large covered pot over high heat.
2. 2
   Meanwhile, finely grate the zest from 1 orange, then squeeze juice from both.
3. 3
   Slice scallions (you should have about 3/4 cup).
4. 4
   Bring orange juice and scallions to a simmer in a large nonstick skillet.
5. 5
   Cook 3 minutes, or until juice is reduced to about 1 Tbsp.
6. 6
   Add half & half and grated zest.
7. 7
   Simmer 1 minute, then remove skillet from heat.
8. 8
   Stir pasta into pot of boiling water.
9. 9
   Cook, stirring often, 3 minutes.
10. 10
    Stir in spinach and cook 1 minute more, or until pasta is firm-tender.
11. 11
    Drain in a colander and return to pot.
12. 12
    Add orange sauce; toss to mix and coat.
13. 13
    Serve grated Parmesan cheese and crushed red pepper at the table, if you wish.