Place the chicken in a medium bowl. Add the salt, pepper, paprika, oregano, and red pepper flakes and toss until the chicken is evenly coated.
1 pound boneless skinless chicken breasts, 1½ tsp kosher salt, ½ tsp black pepper, 1 tsp paprika, 1 tsp dried oregano, ¼ tsp crushed red pepper flakes
Heat the olive oil over medium-high heat. Add the chicken and cook until lightly browned on the outside, about 3-4 minutes. Transfer to a plate.
2 Tbsps olive oil
Reduce the heat to medium. Add the garlic and sun-dried tomatoes to the skillet and cook for 1 minute until fragrant.
3 cloves garlic, ½ cup chopped oil-packed sun-dried tomatoes
Stir in the orzo and cook for 1-2 minutes, stirring frequently, to lightly toast the pasta.
1½ cup dry orzo pasta
Pour in the chicken broth and bring to a gentle boil. Reduce the heat to medium-low and simmer for 11-12 minutes, stirring occasionally, until the orzo is tender and most of the liquid has been absorbed.
3½ cups chicken broth
Stir in the heavy cream, Dijon mustard, and Parmesan cheese until smooth and creamy.
¾ cup heavy cream, 1 tsp Dijon mustard, ½ cup freshly grated Parmesan cheese
Return the chicken and any accumulated juices to the skillet. Stir in the spinach and cook for 2-3 minutes, until wilted and the chicken is fully cooked through.
2 cups baby spinach
Remove from the heat. Stir in the lemon juice and capers. Taste and adjust seasoning if needed. Add more broth or cream if you want it looser.
juice of ½ lemon, 2 Tbsps capers
Serve immediately with additional Parmesan and fresh herbs if desired.
fresh basil or parsley, additional Parmesan cheese