Preheat oven to 375°F
Grease a 9x13 baking dish
Add orzo, broth, garlic, sun-dried tomatoes, and all seasonings
Stir and let sit for 5 minutes
Nestle chicken thighs on top
Season chicken with salt and pepper
Scatter cream cheese cubes around (don't stir)
Cover tightly with foil
Bake 25 minutes
Remove foil and stir orzo around chicken
Cover again
Bake 15–20 more minutes until chicken is 165°F
Rest covered for 5 minutes
Stir everything together until creamy
Add spinach and let it wilt 1–2 minutes
