01 -
Finely dice the onion and mince the garlic. Cut the chicken breast into even pieces and season both sides with kosher salt and freshly ground black pepper.
02 -
Heat a large skillet over medium heat and add olive oil. Once the oil shimmers, sauté the onion and garlic for 2 to 3 minutes until fragrant and golden. Add chicken pieces and sear for 6 to 7 minutes per side, allowing a golden crust to develop. Avoid frequent turning.
03 -
In a small bowl, whisk together the butter, Dijon mustard, lemon juice, and lemon zest until emulsified.
04 -
Pour the lemon butter mustard mixture into the skillet with the chicken. Allow to cook for 2 to 3 minutes, stirring gently, until the sauce thickens and fully coats the meat.
05 -
Bring a large pot of salted water to a boil. Add orzo and cook according to package directions, generally 8 to 10 minutes, until al dente. Drain well and return to the pot. Add crumbled feta and gently fold to create a creamy texture.
06 -
Spoon the feta orzo onto serving plates, top with pan-fried chicken and lemon mustard sauce. Garnish with fresh parsley or basil if desired.