Season the chicken on both sides with salt and black pepper.
Heat a large skillet/pot over medium-heat and add the olive oil and chopped onion. Cook until soft and golden.
Add the chicken and cook 4 minutes per side. Add the garlic and warm through until fragrant.
Add the orzo, broth, lemon juice, remaining seasonings, and salt. Bring to a boil. Reduce the heat to low and cover the pot with the lid. Cook for 12-13 minutes.
Add the spinach, feta, and cream. Cook 3-4 minutes until the spinach wilt.
Serve with lemon wedges and a salad. Kali Orexi!