Cook orzo according to package directions, drain and set aside. While orzo is cooking shred the zucchini with a box grater.

In a skillet over medium heat drizzle with olive oil, and add onion along with a little kosher salt and pepper. Cook about 3 minutes, add shredded zucchini and garlic. After 4 minutes add the orzo, a drizzle more of olive oil, lemon juice, morekosher salt, pepper, and crushed red pepper flakes. Cook an additional 2 minutes.

Taste for seasoning, add more salt, pepper, or lemon juice if desired. Serve topped with feta cheese.